vertical and adjacent angles flashcard

Front

What is a vertical angle?

Back

A vertical angle is a pair of non-adjacent angles formed by two intersecting lines.

Front

These angles are...

Back

Supplementary

Front

Back

Front

What is an acute angle?

Back

An acute angle is an angle that is less than 90 degrees.

Front

What type of angles can be found in a rectangle or square?

Back

Right angles.

Front

What are adjacent angles?

Back

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

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

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

Back

60 degrees.

Front

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

Back

60 degrees.