Angle Relationships

Front

What is an angle bisector?

Back

An angle bisector is a line or segment that divides an angle into two equal parts.

Front

If two angles are complementary, what is the sum of their measures?

Back

The sum of the measures of complementary angles is 90 degrees.

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal in measure.

Front

If two angles are supplementary, what is the sum of their measures?

Back

The sum of the measures of supplementary angles is 180 degrees.

Front

What type of angle measures exactly 180 degrees?

Back

A straight angle.

Front

What is the measure of an acute angle?

Back

An acute angle measures less than 90 degrees.

Front

If angle PQR is bisected by segment QW, what can be said about angles PQW and RQW?

Back

Angles PQW and RQW are equal.

Front

What is the definition of adjacent angles?

Back

Adjacent angles are two angles that share a common side and a common vertex.