Front

If ∠COB is 124°, what is ∠BOD? How are they related?

Back

∠BOD is 56°, they are supplementary.

Front

Find x if the angle relationships are given.

Back

x = 15

Front

Is it possible to find the complement angle of 103°? If so, what is it?

Back

Not possible.

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What is the complement angle to 12°?

Back

78°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

If two angles are vertical, what can we say about their measures?

Back

They are equal.

Front

What is the sum of the angles in a triangle?

Back

180°.

Front

What is the definition of a right angle?

Back

An angle that measures 90°.

Front

If one angle measures 30°, what is its complement?

Back

60°.