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6.84k
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listlengths 2
6
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stringlengths 42
1.14k
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|---|---|---|---|---|---|---|
5
|
1
|
As shown in the figure, DE parallel BC, then the size of angle CED is?
|
(D)
|
[
"40°",
"60°",
"120°",
"140°"
] |
As shown in the figure, DE parallel BC, then the size of angle CED is?
Options:
(A) 40°
(B) 60°
(C) 120°
(D) 140°
|
|
10
|
2
|
As shown in the figure, AB parallel CD, EG bisects angle BEF, then angle 2 is equal to?
|
(C)
|
[
"50°",
"60°",
"65°",
"90°"
] |
As shown in the figure, AB parallel CD, EG bisects angle BEF, then angle 2 is equal to?
Options:
(A) 50°
(B) 60°
(C) 65°
(D) 90°
|
|
15
|
3
|
As shown in the figure, BD bisects angle ABC, CD parallel AB, then the degree of angle CDB is?
|
(A)
|
[
"55°",
"50°",
"45°",
"30°"
] |
As shown in the figure, BD bisects angle ABC, CD parallel AB, then the degree of angle CDB is?
Options:
(A) 55°
(B) 50°
(C) 45°
(D) 30°
|
|
20
|
4
|
As shown in the figure, AB is tangent to circle O at point B, then angle C is equal to?
|
(D)
|
[
"36°",
"54°",
"60°",
"27°"
] |
As shown in the figure, AB is tangent to circle O at point B, then angle C is equal to?
Options:
(A) 36°
(B) 54°
(C) 60°
(D) 27°
|
|
25
|
5
|
As shown in the figure, then angle 2 is equal to?
|
(A)
|
[
"50°",
"40°",
"140°",
"130°"
] |
As shown in the figure, then angle 2 is equal to?
Options:
(A) 50°
(B) 40°
(C) 140°
(D) 130°
|
|
30
|
6
|
As shown in the figure, AB // CD, then the degree of angle 2 is?
|
(C)
|
[
"50°",
"120°",
"130°",
"150°"
] |
As shown in the figure, AB // CD, then the degree of angle 2 is?
Options:
(A) 50°
(B) 120°
(C) 130°
(D) 150°
|
|
35
|
7
|
As shown in the figure, triangle ABC congruent triangle ADE, then the degree of angle EAC is?
|
(B)
|
[
"40°",
"45°",
"35°",
"25°"
] |
As shown in the figure, triangle ABC congruent triangle ADE, then the degree of angle EAC is?
Options:
(A) 40°
(B) 45°
(C) 35°
(D) 25°
|
|
40
|
8
|
As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is?
|
(C)
|
[
"1cm",
"2cm",
"3cm",
"4cm"
] |
As shown in the figure, triangle ABC congruent triangle DEF, then the length of EC is?
Options:
(A) 1cm
(B) 2cm
(C) 3cm
(D) 4cm
|
|
45
|
9
|
As shown in the figure, AC = BC, AD bisects angle CAB, then the perimeter of triangle DBE is?
|
(A)
|
[
"6cm",
"7cm",
"8cm",
"9cm"
] |
As shown in the figure, AC = BC, AD bisects angle CAB, then the perimeter of triangle DBE is?
Options:
(A) 6cm
(B) 7cm
(C) 8cm
(D) 9cm
|
|
50
|
10
|
As shown in the figure, AB = AC, the perpendicular bisector of AB intersects AC at D, then the degree of angle BDC is?
|
(A)
|
[
"72°",
"36°",
"60°",
"82°"
] |
As shown in the figure, AB = AC, the perpendicular bisector of AB intersects AC at D, then the degree of angle BDC is?
Options:
(A) 72°
(B) 36°
(C) 60°
(D) 82°
|
|
55
|
11
|
As shown in the figure, then the degree of angle AFC is?
|
(A)
|
[
"84°",
"80°",
"60°",
"90°"
] |
As shown in the figure, then the degree of angle AFC is?
Options:
(A) 84°
(B) 80°
(C) 60°
(D) 90°
|
|
60
|
12
|
As shown in the figure, the straight line AB parallel CD, then the degree of angle 2 is?
|
(A)
|
[
"20°",
"25°",
"30°",
"40°"
] |
As shown in the figure, the straight line AB parallel CD, then the degree of angle 2 is?
Options:
(A) 20°
(B) 25°
(C) 30°
(D) 40°
|
|
65
|
13
|
As shown in the figure, AB parallel EF, then angle ACD =?
|
(C)
|
[
"120°",
"130°",
"140°",
"150°"
] |
As shown in the figure, AB parallel EF, then angle ACD =?
Options:
(A) 120°
(B) 130°
(C) 140°
(D) 150°
|
|
70
|
14
|
As shown in the figure, triangle ABC is the inscribed triangle of circle O, then the degree of angle ACB is?
|
(B)
|
[
"35°",
"55°",
"60°",
"70°"
] |
As shown in the figure, triangle ABC is the inscribed triangle of circle O, then the degree of angle ACB is?
Options:
(A) 35°
(B) 55°
(C) 60°
(D) 70°
|
|
75
|
15
|
As shown in the figure, If the line b is parallel to the line a, the line b can be rotated clockwise around the point A?
|
(D)
|
[
"70°",
"50°",
"30°",
"20°"
] |
As shown in the figure, If the line b is parallel to the line a, the line b can be rotated clockwise around the point A?
Options:
(A) 70°
(B) 50°
(C) 30°
(D) 20°
|
|
80
|
16
|
As shown in the figure, chord AC parallel radius OB, then the degree of angle OAB is?
|
(A)
|
[
"25°",
"50°",
"60°",
"30°"
] |
As shown in the figure, chord AC parallel radius OB, then the degree of angle OAB is?
Options:
(A) 25°
(B) 50°
(C) 60°
(D) 30°
|
|
85
|
17
|
In parallelogram ABCD, then angle COD is .?
|
(C)
|
[
"61°",
"63°",
"65°",
"67°"
] |
In parallelogram ABCD, then angle COD is .?
Options:
(A) 61°
(B) 63°
(C) 65°
(D) 67°
|
|
90
|
18
|
then angle 4 is equal to?
|
(C)
|
[
"58°",
"70°",
"110°",
"116°"
] |
then angle 4 is equal to?
Options:
(A) 58°
(B) 70°
(C) 110°
(D) 116°
|
|
95
|
19
|
As shown in the figure, a parallel b, Then angle 3 =?
|
(C)
|
[
"50°",
"60°",
"70°",
"80°"
] |
As shown in the figure, a parallel b, Then angle 3 =?
Options:
(A) 50°
(B) 60°
(C) 70°
(D) 80°
|
|
100
|
20
|
As shown in the figure, then angle ACD =?
|
(A)
|
[
"20°",
"30°",
"40°",
".70°A70°"
] |
As shown in the figure, then angle ACD =?
Options:
(A) 20°
(B) 30°
(C) 40°
(D) .70°A70°
|
|
105
|
21
|
As shown in the figure, then the degree of angle 4 is?
|
(D)
|
[
"110°",
"115°",
"120°",
"125°"
] |
As shown in the figure, then the degree of angle 4 is?
Options:
(A) 110°
(B) 115°
(C) 120°
(D) 125°
|
|
110
|
22
|
As shown in the figure, in the diamond ABCD, the degree of angle OBC is?
|
(C)
|
[
"28°",
"52°",
"62°",
"72°"
] |
As shown in the figure, in the diamond ABCD, the degree of angle OBC is?
Options:
(A) 28°
(B) 52°
(C) 62°
(D) 72°
|
|
115
|
23
|
As shown in the figure, PA and PB are tangent to circle O at A and B respectively. then the degree of angle P is?
|
(C)
|
[
"65°",
"130°",
"50°",
"100°"
] |
As shown in the figure, PA and PB are tangent to circle O at A and B respectively. then the degree of angle P is?
Options:
(A) 65°
(B) 130°
(C) 50°
(D) 100°
|
|
120
|
24
|
As shown in the figure, the line a parallel b, then the degree of angle 2 is?
|
(B)
|
[
"150°",
"130°",
"100°",
"50°"
] |
As shown in the figure, the line a parallel b, then the degree of angle 2 is?
Options:
(A) 150°
(B) 130°
(C) 100°
(D) 50°
|
|
125
|
25
|
As shown in the figure, EF parallel BC, AC bisects angle BAF, then the degree of angle C is?
|
(D)
|
[
"50°",
"55°",
"60°",
"65°"
] |
As shown in the figure, EF parallel BC, AC bisects angle BAF, then the degree of angle C is?
Options:
(A) 50°
(B) 55°
(C) 60°
(D) 65°
|
|
130
|
26
|
As shown in the figure, the height of the flagpole is .?
|
(C)
|
[
"8.8",
"10",
"12",
"14"
] |
As shown in the figure, the height of the flagpole is .?
Options:
(A) 8.8
(B) 10
(C) 12
(D) 14
|
|
135
|
27
|
As shown in the figure, then the slope distance between two adjacent trees is?
|
(A)
|
[
"5m",
"6m",
"7m",
"8m"
] |
As shown in the figure, then the slope distance between two adjacent trees is?
Options:
(A) 5m
(B) 6m
(C) 7m
(D) 8m
|
|
140
|
28
|
As shown in the figure, the right triangle ABC and the equilateral triangle ABD are respectively drawn with the line segment AB as the edge, when the length of CD is the largest, the size of angle CAB is?
|
(B)
|
[
"75°",
"45°",
"30°",
"15°"
] |
As shown in the figure, the right triangle ABC and the equilateral triangle ABD are respectively drawn with the line segment AB as the edge, when the length of CD is the largest, the size of angle CAB is?
Options:
(A) 75°
(B) 45°
(C) 30°
(D) 15°
|
|
145
|
29
|
As shown in the figure, D is the intersection point of the angular bisector BD and CD of triangle ABC. then angle D =?
|
(C)
|
[
"120°",
"130°",
"115°",
"110°"
] |
As shown in the figure, D is the intersection point of the angular bisector BD and CD of triangle ABC. then angle D =?
Options:
(A) 120°
(B) 130°
(C) 115°
(D) 110°
|
|
150
|
30
|
As shown in the figure, it is known that OA = OB = OC, then the size of angle AOB is?
|
(C)
|
[
"40°",
"50°",
"60°",
"70°"
] |
As shown in the figure, it is known that OA = OB = OC, then the size of angle AOB is?
Options:
(A) 40°
(B) 50°
(C) 60°
(D) 70°
|
|
155
|
31
|
As shown in the figure, the straight line a parallel b, and AB perpendicular BC, then the degree of angle 1 is?
|
(B)
|
[
"65°",
"25°",
"35°",
"45°"
] |
As shown in the figure, the straight line a parallel b, and AB perpendicular BC, then the degree of angle 1 is?
Options:
(A) 65°
(B) 25°
(C) 35°
(D) 45°
|
|
160
|
32
|
Circle I is the inscribed circle of triangle ABC, then the degree of angle A is?
|
(C)
|
[
"68°",
"52°",
"76°",
"38°"
] |
Circle I is the inscribed circle of triangle ABC, then the degree of angle A is?
Options:
(A) 68°
(B) 52°
(C) 76°
(D) 38°
|
|
165
|
33
|
As shown in the figure, the straight line AB parallel CD, then angle C is equal to?
|
(C)
|
[
"42°",
"44°",
"46°",
"48°"
] |
As shown in the figure, the straight line AB parallel CD, then angle C is equal to?
Options:
(A) 42°
(B) 44°
(C) 46°
(D) 48°
|
|
170
|
34
|
As shown in the figure, If AB parallel CD, then the size of angle 2 is?
|
(C)
|
[
"10°",
"50°",
"80°",
"100°"
] |
As shown in the figure, If AB parallel CD, then the size of angle 2 is?
Options:
(A) 10°
(B) 50°
(C) 80°
(D) 100°
|
|
175
|
35
|
As shown in the figure: AB parallel DE, the degree of angle D is?
|
(C)
|
[
"115°",
"120°",
"100°",
"80°"
] |
As shown in the figure: AB parallel DE, the degree of angle D is?
Options:
(A) 115°
(B) 120°
(C) 100°
(D) 80°
|
|
180
|
36
|
As shown in the figure, passing point C to draw the tangent of circle O. then the degree of angle A is?
|
(A)
|
[
"20°",
"25°",
".40°",
"50°"
] |
As shown in the figure, passing point C to draw the tangent of circle O. then the degree of angle A is?
Options:
(A) 20°
(B) 25°
(C) .40°
(D) 50°
|
|
185
|
37
|
As shown in the figure, AB parallel CD, AO = PO, then the degree of angle A is?
|
(A)
|
[
"25°",
"35°",
"15°",
"50°"
] |
As shown in the figure, AB parallel CD, AO = PO, then the degree of angle A is?
Options:
(A) 25°
(B) 35°
(C) 15°
(D) 50°
|
|
190
|
38
|
As shown in the figure, AB = AC, AD parallel BC. then the size of angle BAC is?
|
(A)
|
[
"40°",
"30°",
".70°",
"50°"
] |
As shown in the figure, AB = AC, AD parallel BC. then the size of angle BAC is?
Options:
(A) 40°
(B) 30°
(C) .70°
(D) 50°
|
|
195
|
39
|
then the degree of angle 2 is?
|
(B)
|
[
"100°",
"110°",
"120°",
"140°"
] |
then the degree of angle 2 is?
Options:
(A) 100°
(B) 110°
(C) 120°
(D) 140°
|
|
200
|
40
|
As shown in the figure, a parallel b, then angle 2 =?
|
(A)
|
[
"50°",
"130°",
"40°",
"60°"
] |
As shown in the figure, a parallel b, then angle 2 =?
Options:
(A) 50°
(B) 130°
(C) 40°
(D) 60°
|
|
205
|
41
|
then angle 4 is equal to?
|
(D)
|
[
"80°",
"65°",
"60°",
"55°"
] |
then angle 4 is equal to?
Options:
(A) 80°
(B) 65°
(C) 60°
(D) 55°
|
|
210
|
42
|
It is known that BC parallel PQ, AB:AP = 2.0:5.0, then the length of CQ is?
|
(B)
|
[
"8cm",
"12cm",
"30cm",
"50cm"
] |
It is known that BC parallel PQ, AB:AP = 2.0:5.0, then the length of CQ is?
Options:
(A) 8cm
(B) 12cm
(C) 30cm
(D) 50cm
|
|
215
|
43
|
As shown in the figure, If point D happens to fall on AB, then the degree of angle DOB is?
|
(A)
|
[
"40°",
"30°",
"38°",
"15°"
] |
As shown in the figure, If point D happens to fall on AB, then the degree of angle DOB is?
Options:
(A) 40°
(B) 30°
(C) 38°
(D) 15°
|
|
220
|
44
|
As shown in the figure, then the height of the street lamp is?
|
(A)
|
[
"9米",
"8米",
"7米",
"6米"
] |
As shown in the figure, then the height of the street lamp is?
Options:
(A) 9米
(B) 8米
(C) 7米
(D) 6米
|
|
225
|
45
|
As shown in the figure, O is the center of the circle, then the degree of angle AOB is?
|
(B)
|
[
"35°",
"70°",
"105°",
"150°"
] |
As shown in the figure, O is the center of the circle, then the degree of angle AOB is?
Options:
(A) 35°
(B) 70°
(C) 105°
(D) 150°
|
|
230
|
46
|
if AB parallel CD, then the degree of angle 1 is?
|
(D)
|
[
"20°",
"30°",
"70°",
"110°"
] |
if AB parallel CD, then the degree of angle 1 is?
Options:
(A) 20°
(B) 30°
(C) 70°
(D) 110°
|
|
235
|
47
|
As shown in the figure, the straight line AB parallel CD, then angle 1 is equal to?
|
(B)
|
[
"132°",
"134°",
"136°",
"138°"
] |
As shown in the figure, the straight line AB parallel CD, then angle 1 is equal to?
Options:
(A) 132°
(B) 134°
(C) 136°
(D) 138°
|
|
240
|
48
|
As shown in the figure, then the degree of angle BAC is?
|
(D)
|
[
"50°",
"80°",
"100°",
"130°"
] |
As shown in the figure, then the degree of angle BAC is?
Options:
(A) 50°
(B) 80°
(C) 100°
(D) 130°
|
|
245
|
49
|
As shown in the figure, in the inscribed pentagon ABCDE of circle O, then the degree of angle B is?
|
(D)
|
[
"50°",
"75°",
"80°",
"100°"
] |
As shown in the figure, in the inscribed pentagon ABCDE of circle O, then the degree of angle B is?
Options:
(A) 50°
(B) 75°
(C) 80°
(D) 100°
|
|
250
|
50
|
As shown in the figure, then angle COE =?
|
(B)
|
[
"30°",
"140°",
"50°",
"60°"
] |
As shown in the figure, then angle COE =?
Options:
(A) 30°
(B) 140°
(C) 50°
(D) 60°
|
|
255
|
51
|
As shown in the figure, triangle ABC congruent triangle DEF, then the degree of angle COE is?
|
(C)
|
[
"40°",
"60°",
"70°",
"100°"
] |
As shown in the figure, triangle ABC congruent triangle DEF, then the degree of angle COE is?
Options:
(A) 40°
(B) 60°
(C) 70°
(D) 100°
|
|
260
|
52
|
put the two vertices of a right triangle plate with 45.0 angles on the opposite edges of the ruler. then angle 2 is equal to?
|
(D)
|
[
"32.5°",
"22.5°",
"20.5°",
"17.5°"
] |
put the two vertices of a right triangle plate with 45.0 angles on the opposite edges of the ruler. then angle 2 is equal to?
Options:
(A) 32.5°
(B) 22.5°
(C) 20.5°
(D) 17.5°
|
|
265
|
53
|
As shown in the figure, the straight line a parallel b, then angle 2 =?
|
(A)
|
[
"55°",
"35°",
"125°",
"65°"
] |
As shown in the figure, the straight line a parallel b, then angle 2 =?
Options:
(A) 55°
(B) 35°
(C) 125°
(D) 65°
|
|
270
|
54
|
Place a ruler and a triangular plate as shown in the figure,then the degree of angle 2 is?
|
(A)
|
[
"130°",
"140°",
"120°",
"125°"
] |
Place a ruler and a triangular plate as shown in the figure,then the degree of angle 2 is?
Options:
(A) 130°
(B) 140°
(C) 120°
(D) 125°
|
|
275
|
55
|
As shown in the figure, and the radial OM bisects angle AOC, then the degree of angle CON is?
|
(B)
|
[
"65°",
"55°",
"45°",
"35°"
] |
As shown in the figure, and the radial OM bisects angle AOC, then the degree of angle CON is?
Options:
(A) 65°
(B) 55°
(C) 45°
(D) 35°
|
|
280
|
56
|
As shown in the figure, the diameter CD of circle O crosses the midpoint G of chord EF, then angle EOD is equal to?
|
(C)
|
[
"10°",
"20°",
"40°",
"80°"
] |
As shown in the figure, the diameter CD of circle O crosses the midpoint G of chord EF, then angle EOD is equal to?
Options:
(A) 10°
(B) 20°
(C) 40°
(D) 80°
|
|
285
|
57
|
As shown in the figure, AB is parallel to CD, then angle C is?
|
(B)
|
[
"40°",
"20°",
"60°",
"70°"
] |
As shown in the figure, AB is parallel to CD, then angle C is?
Options:
(A) 40°
(B) 20°
(C) 60°
(D) 70°
|
|
290
|
58
|
As shown in the figure, AB parallel CD, then the size of angle D is?
|
(B)
|
[
"65°",
"55°",
"45°",
"35°"
] |
As shown in the figure, AB parallel CD, then the size of angle D is?
Options:
(A) 65°
(B) 55°
(C) 45°
(D) 35°
|
|
295
|
59
|
As shown in the figure, AB parallel CD, AD bisects angle BAC, then the degree of angle D is?
|
(A)
|
[
"50°",
"60°",
"70°",
"100°"
] |
As shown in the figure, AB parallel CD, AD bisects angle BAC, then the degree of angle D is?
Options:
(A) 50°
(B) 60°
(C) 70°
(D) 100°
|
|
300
|
60
|
As shown in the figure, AB parallel CD, then the degree of angle 1 is?
|
(B)
|
[
"30°",
"45°",
"60°",
"75°"
] |
As shown in the figure, AB parallel CD, then the degree of angle 1 is?
Options:
(A) 30°
(B) 45°
(C) 60°
(D) 75°
|
|
305
|
61
|
As shown in the figure, AB parallel CD, and CD = CE, then the degree of angle B is?
|
(B)
|
[
"74°",
"32°",
"22°",
"16°"
] |
As shown in the figure, AB parallel CD, and CD = CE, then the degree of angle B is?
Options:
(A) 74°
(B) 32°
(C) 22°
(D) 16°
|
|
310
|
62
|
As shown in the figure, AB parallel CD, then the size of angle ACD is?
|
(B)
|
[
"150°",
"140°",
"130°",
"120°"
] |
As shown in the figure, AB parallel CD, then the size of angle ACD is?
Options:
(A) 150°
(B) 140°
(C) 130°
(D) 120°
|
|
315
|
63
|
As shown in the figure, the tree CD is?
|
(A)
|
[
"6米",
"7.5米",
"8米",
"8.5米"
] |
As shown in the figure, the tree CD is?
Options:
(A) 6米
(B) 7.5米
(C) 8米
(D) 8.5米
|
|
320
|
64
|
After filling some oil in a cylindrical oil tank, the maximum depth of oil is?
|
(A)
|
[
"40cm",
"60cm",
"80cm",
"100cm"
] |
After filling some oil in a cylindrical oil tank, the maximum depth of oil is?
Options:
(A) 40cm
(B) 60cm
(C) 80cm
(D) 100cm
|
|
325
|
65
|
As shown in the figure, angle 1 = angle 2, then angle 3 is equal to?
|
(D)
|
[
"120°",
"130°",
"145°",
"150°"
] |
As shown in the figure, angle 1 = angle 2, then angle 3 is equal to?
Options:
(A) 120°
(B) 130°
(C) 145°
(D) 150°
|
|
330
|
66
|
As shown in the figure, AB parallel CD, then the degree of angle BED is?
|
(B)
|
[
"40°",
"80°",
"90°",
"l00°"
] |
As shown in the figure, AB parallel CD, then the degree of angle BED is?
Options:
(A) 40°
(B) 80°
(C) 90°
(D) l00°
|
|
335
|
67
|
As shown in the figure, the straight line AB parallel CD, AE bisects angle CAB, then the degree of angle AEC is?
|
(B)
|
[
"40°",
"70°",
"80°",
"140°"
] |
As shown in the figure, the straight line AB parallel CD, AE bisects angle CAB, then the degree of angle AEC is?
Options:
(A) 40°
(B) 70°
(C) 80°
(D) 140°
|
|
340
|
68
|
Help them calculate the sum of the area of the three figures circled in the figure, it is?
|
(C)
|
[
"12cm",
"24cm",
"36cm",
"48cm"
] |
Help them calculate the sum of the area of the three figures circled in the figure, it is?
Options:
(A) 12cm
(B) 24cm
(C) 36cm
(D) 48cm
|
|
345
|
69
|
As shown in the figure, the straight line a parallel b, then the degree of angle 1 is?
|
(B)
|
[
"75°",
"105°",
"140°",
"145°"
] |
As shown in the figure, the straight line a parallel b, then the degree of angle 1 is?
Options:
(A) 75°
(B) 105°
(C) 140°
(D) 145°
|
|
350
|
70
|
As shown in the figure, BD is the angular bisector of triangle ABC, then the degree of angle CDE is?
|
(C)
|
[
"35°",
"40°",
"45°",
"50°"
] |
As shown in the figure, BD is the angular bisector of triangle ABC, then the degree of angle CDE is?
Options:
(A) 35°
(B) 40°
(C) 45°
(D) 50°
|
|
355
|
71
|
As shown in the figure, the straight line AD parallel BC, then the degree of angle 2 is?
|
(C)
|
[
"42°",
"50°",
"60°",
"68°"
] |
As shown in the figure, the straight line AD parallel BC, then the degree of angle 2 is?
Options:
(A) 42°
(B) 50°
(C) 60°
(D) 68°
|
|
360
|
72
|
As shown in the figure, then the perimeter of triangle DCE is?
|
(B)
|
[
"10cm",
"8cm",
"6cm",
"4cm"
] |
As shown in the figure, then the perimeter of triangle DCE is?
Options:
(A) 10cm
(B) 8cm
(C) 6cm
(D) 4cm
|
|
365
|
73
|
As shown in the figure, triangle ABC is the inscribed triangle of circle O. then the degree of angle AOC is equal to?
|
(A)
|
[
"140°",
"130°",
"120°",
"110°"
] |
As shown in the figure, triangle ABC is the inscribed triangle of circle O. then the degree of angle AOC is equal to?
Options:
(A) 140°
(B) 130°
(C) 120°
(D) 110°
|
|
370
|
74
|
As shown in the figure, AB parallel CD, then the degree of angle 2 is?
|
(B)
|
[
"55°",
"65°",
"75°",
"85°"
] |
As shown in the figure, AB parallel CD, then the degree of angle 2 is?
Options:
(A) 55°
(B) 65°
(C) 75°
(D) 85°
|
|
375
|
75
|
As shown in the figure, a // b, then the degree of angle 2 is?
|
(B)
|
[
"46°",
"48°",
"56°",
"72°"
] |
As shown in the figure, a // b, then the degree of angle 2 is?
Options:
(A) 46°
(B) 48°
(C) 56°
(D) 72°
|
|
380
|
76
|
As shown in the figure, a parallel b, then angle 2 =?
|
(A)
|
[
"54°",
"56°",
"44°",
"46°"
] |
As shown in the figure, a parallel b, then angle 2 =?
Options:
(A) 54°
(B) 56°
(C) 44°
(D) 46°
|
|
385
|
77
|
As shown in the figure, if angle 1 = angle 3, then the degree of angle 4 is?
|
(C)
|
[
"60°",
"100°",
"120°",
"130°"
] |
As shown in the figure, if angle 1 = angle 3, then the degree of angle 4 is?
Options:
(A) 60°
(B) 100°
(C) 120°
(D) 130°
|
|
390
|
78
|
As shown in the figure, AB parallel CD, AE bisects angle CAB and CD at point E, then the degree of angle AED is?
|
(B)
|
[
"110°",
"125°",
"135°",
"140°"
] |
As shown in the figure, AB parallel CD, AE bisects angle CAB and CD at point E, then the degree of angle AED is?
Options:
(A) 110°
(B) 125°
(C) 135°
(D) 140°
|
|
395
|
79
|
As shown in the figure, the perimeter of triangle DCE is?
|
(D)
|
[
"8cm",
"24cm",
"10cm",
"16cm"
] |
As shown in the figure, the perimeter of triangle DCE is?
Options:
(A) 8cm
(B) 24cm
(C) 10cm
(D) 16cm
|
|
400
|
80
|
As shown in the figure, a cylinder with a bottom circumference of 24.0, the shortest route that an ant passes along the surface from point A to point B is?
|
(C)
|
[
"12m",
"15m",
"13m",
"14m"
] |
As shown in the figure, a cylinder with a bottom circumference of 24.0, the shortest route that an ant passes along the surface from point A to point B is?
Options:
(A) 12m
(B) 15m
(C) 13m
(D) 14m
|
|
405
|
81
|
As shown in the figure, AE bisects angle DAC, so the degree of angle DAE is?
|
(D)
|
[
"45°",
"20°",
"30°",
"25°"
] |
As shown in the figure, AE bisects angle DAC, so the degree of angle DAE is?
Options:
(A) 45°
(B) 20°
(C) 30°
(D) 25°
|
|
410
|
82
|
As shown in the figure, the line l parallel m parallel n, the vertices B and C of the triangle ABC are on the line n and line m, the angle between BC and the line n is 25.0, then the degree of angle a is?
|
(C)
|
[
"25°",
"30°",
"35°",
"45°"
] |
As shown in the figure, the line l parallel m parallel n, the vertices B and C of the triangle ABC are on the line n and line m, the angle between BC and the line n is 25.0, then the degree of angle a is?
Options:
(A) 25°
(B) 30°
(C) 35°
(D) 45°
|
|
415
|
83
|
As shown in the figure, then the angle of circumference angle ACB is equal to .?
|
(A)
|
[
"130°",
"120°",
"110°",
"100°"
] |
As shown in the figure, then the angle of circumference angle ACB is equal to .?
Options:
(A) 130°
(B) 120°
(C) 110°
(D) 100°
|
|
420
|
84
|
As shown in the figure, then the length of BC is?
|
(C)
|
[
"2",
"2√{3}",
"√{3}",
"2√{2}"
] |
As shown in the figure, then the length of BC is?
Options:
(A) 2
(B) 2√{3}
(C) √{3}
(D) 2√{2}
|
|
425
|
85
|
As shown in the figure, the circle O is the circumscribed circle of triangle ABC and the bisector of angle BAC and angle ABC intersects at point I, then the length of DI is?
|
(D)
|
[
"4√{3}+2",
"4√{3}+3",
"8√{3}+1",
"8√{3}"
] |
As shown in the figure, the circle O is the circumscribed circle of triangle ABC and the bisector of angle BAC and angle ABC intersects at point I, then the length of DI is?
Options:
(A) 4√{3}+2
(B) 4√{3}+3
(C) 8√{3}+1
(D) 8√{3}
|
|
430
|
86
|
As shown in the figure, circle O is the circumscribed circle of triangle ABC. then the length of BC is?
|
(B)
|
[
"√{3}",
"2√{3}",
"4",
"4√{3}"
] |
As shown in the figure, circle O is the circumscribed circle of triangle ABC. then the length of BC is?
Options:
(A) √{3}
(B) 2√{3}
(C) 4
(D) 4√{3}
|
|
435
|
87
|
As shown in the figure, chord DE parallel AB, then angle BOC is?
|
(A)
|
[
"115°",
"100°",
"80°",
"50°"
] |
As shown in the figure, chord DE parallel AB, then angle BOC is?
Options:
(A) 115°
(B) 100°
(C) 80°
(D) 50°
|
|
440
|
88
|
As shown in the figure, then angle BOC is equal to?
|
(A)
|
[
"128°",
"108°",
"86°",
"64°"
] |
As shown in the figure, then angle BOC is equal to?
Options:
(A) 128°
(B) 108°
(C) 86°
(D) 64°
|
|
445
|
89
|
As shown in the figure, then the degree of angle BAO is?
|
(D)
|
[
"50°",
"55°",
"60°",
"65°"
] |
As shown in the figure, then the degree of angle BAO is?
Options:
(A) 50°
(B) 55°
(C) 60°
(D) 65°
|
|
450
|
90
|
As shown in the figure, then the degree of the angle of circumference angle ACB is?
|
(C)
|
[
"50°",
"25°",
"100°",
"30°"
] |
As shown in the figure, then the degree of the angle of circumference angle ACB is?
Options:
(A) 50°
(B) 25°
(C) 100°
(D) 30°
|
|
455
|
91
|
As shown in the figure, arc AD = arc CD. Then angle DAC is equal to?
|
(B)
|
[
"70°",
"45°",
"30°",
"25°"
] |
As shown in the figure, arc AD = arc CD. Then angle DAC is equal to?
Options:
(A) 70°
(B) 45°
(C) 30°
(D) 25°
|
|
460
|
92
|
As shown in the figure, then the degree of angle BOC is?
|
(B)
|
[
"102°",
"112°",
"122°",
"132°"
] |
As shown in the figure, then the degree of angle BOC is?
Options:
(A) 102°
(B) 112°
(C) 122°
(D) 132°
|
|
465
|
93
|
As shown in the figure, the degree of angle A is?
|
(A)
|
[
"50°",
"55°",
"60°",
"65°"
] |
As shown in the figure, the degree of angle A is?
Options:
(A) 50°
(B) 55°
(C) 60°
(D) 65°
|
|
470
|
94
|
As shown in the figure, then the length of CD is?
|
(A)
|
[
"6√{2}",
"3√{2}",
"6",
"12"
] |
As shown in the figure, then the length of CD is?
Options:
(A) 6√{2}
(B) 3√{2}
(C) 6
(D) 12
|
|
475
|
95
|
As shown in the figure, then the degree of angle C is?
|
(C)
|
[
"25°",
"27.5°",
"30°",
"35°"
] |
As shown in the figure, then the degree of angle C is?
Options:
(A) 25°
(B) 27.5°
(C) 30°
(D) 35°
|
|
480
|
96
|
As shown in the figure, then the degree of angle APB is?
|
(C)
|
[
"80°",
"140°",
"20°",
"50°"
] |
As shown in the figure, then the degree of angle APB is?
Options:
(A) 80°
(B) 140°
(C) 20°
(D) 50°
|
|
485
|
97
|
As shown in the figure, OC perpendicular AB and it intersects circle O at point C. then the size of angle AOB is?
|
(C)
|
[
"80°",
"90°",
"100°",
"120°"
] |
As shown in the figure, OC perpendicular AB and it intersects circle O at point C. then the size of angle AOB is?
Options:
(A) 80°
(B) 90°
(C) 100°
(D) 120°
|
|
490
|
98
|
As shown in the figure, given the angle of circumference, then the size of angle OBC is?
|
(B)
|
[
"50°",
"40°",
"130°",
"80°"
] |
As shown in the figure, given the angle of circumference, then the size of angle OBC is?
Options:
(A) 50°
(B) 40°
(C) 130°
(D) 80°
|
|
495
|
99
|
As shown in the figure, then the degree of angle CAB is?
|
(C)
|
[
"26°",
"74°",
"64°",
"54°",
"102"
] |
As shown in the figure, then the degree of angle CAB is?
Options:
(A) 26°
(B) 74°
(C) 64°
(D) 54°
(E) 102
|
|
500
|
100
|
As shown in the figure, then the degree of angle BAD is?
|
(D)
|
[
"30°",
"25°",
"20°",
"15°"
] |
As shown in the figure, then the degree of angle BAD is?
Options:
(A) 30°
(B) 25°
(C) 20°
(D) 15°
|
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