Geometry Review

Front

What are two angles that add up to 90 degrees called?

Back

Complementary angles.

Front

What are angles whose measures sum up to 180 degrees called?

Back

Supplementary angles.

Front

What is the term for angles that are opposite each other when two lines cross?

Back

Vertical angles.

Front

What do you call angles that share a common vertex and side but do not overlap?

Back

Adjacent angles.

Front

If angle A measures 30 degrees, what is the measure of its complementary angle?

Back

60 degrees.

Front

If angle B measures 120 degrees, what is the measure of its supplementary angle?

Back

60 degrees.

Front

What is the measure of a right angle?

Back

90 degrees.

Front

If two angles are vertical, what can be said about their measures?

Back

They are equal.

Front

What is the sum of the measures of angles in a triangle?

Back

180 degrees.

Front

If angle C measures 45 degrees, what is the measure of angle D if they are complementary?

Back

45 degrees.