AnswersKY-Geometry B-CRUnit Test

Angle Relationships Answers

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1
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Points A, B, C, and D lie on circle M. Line segment BD is a diameter.

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A
45.0°
B
67.5°
C
112.5°
D
135.0°
2
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Circle O is shown. Line segments C O And A O are radii. Lines are drawn from points C and A to point B to form chords B C and B A. Angle C B A is 80 degrees.

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A
140°
B
150°
C
160°
D
170°
3

Angle BCD is a circumscribed angle of circle A. Angle BCA measures 40°.

Question illustration
A
40°
B
50°
C
80°
D
100°
4

Angle G is a circumscribed angle of circle E. Major arc FD measures 280°.

Question illustration
A
40°
B
50°
C
80°
D
90°
5

Which statements about the arcs and angles are true? Select three options.

A
∠EFD ≅ ∠EGD
B
∠EGD ≅ ∠ECD
C
Arc E D is-congruent-to arc F D
Option C
D
m = 60°
Option D
E
m = 120°
Option E
6

Angle BCD is a circumscribed angle of circle A.

Question illustration
A
10 units
B
12 units
C
14 units
D
16 units
7

Points N, P, and R all lie on circle O. Arc PR measures 120°.

Question illustration
A
Angle RNQ is equal in measure to arc PR.
B
Angle RNQ is half the measure of arc PR.
C
Angle RNQ is twice the measure of arc PR.
D
Angle RNQ is four times the measure of arc PR.
8

Circle C is shown. Line segments E C and C D are radii. Lines are drawn from points E and D to point F on the other side of the circle. Arc E D measures 95 degrees.

Question illustration
A
37.5°
B
45°
C
47.5°
D
55°
9

Angle X is a circumscribed angle of circle V.

Question illustration
A
square
B
parallelogram
C
quadrilateral
D
trapezoid
10

Points E, F, and D are located on circle C. The measure of arc ED is 108°.

Question illustration
A
54°
B
72°
C
108°
D
126°

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