Unit Test — Unit test Answers

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Triangle A B C is shown with its exterior angles. Line C B extends through point D. Line B C extends to form exterior angle that is 135 degrees. Angle C A B is 75 degrees.

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A
m∠ABC = 15°
B
m∠ABC = 45°
C
m∠ABC = 60°
D
m∠ABC = 75°
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Triangle XYZ is isosceles. Angle Y measures a°.

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A
2a
B
StartFraction a Over 2 EndFraction
Option B
C
90 a
Option C
D
180 2a
Option D
43

Consider triangle WXY.

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A
Angle W is greater than angle Y.
B
Angle Y is the largest angle.
C
Angle X is smaller than angle W.
D
Angle W is the smallest angle.
44

Angle M has a measure of 47°.

Question illustration
A
43°
B
47°
C
86°
D
94°

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