angle relationship review

Front

What are congruent angles?

Back

Angles that have the same measure.

Front

What are supplementary angles?

Back

Two angles whose measures add up to 180 degrees.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

If two angles are complementary, what is their sum?

Back

The sum of two complementary angles is 90 degrees.

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Front

If angle A is 40 degrees, what is the measure of its supplementary angle?

Back

The supplementary angle is 140 degrees.

Front

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

Back

Their measures are equal.

Front

What is the relationship between vertical angles?

Back

Vertical angles are always congruent.

Front

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

Back

The complementary angle is 60 degrees.

Front

What is the measure of angle x if it is supplementary to a 106 degree angle?

Back

Angle x measures 74 degrees.