Angle Measures

Front

What is an acute angle?

Back

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

Front

What is the measurement of a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle measures exactly 180 degrees.

Front

How many degrees are in a full rotation?

Back

There are 360 degrees in a full rotation.

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

What is the relationship between complementary angles?

Back

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

Front

What is the relationship between supplementary angles?

Back

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

Front

How many degrees does the minute hand of a clock move in one hour?

Back

The minute hand of a clock moves 360 degrees in one hour.

Front

What is the measure of a reflex angle?

Back

A reflex angle is an angle that measures more than 180 degrees but less than 360 degrees.