Measuring Angles

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

What is the measure of a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What is the measure of an obtuse angle?

Back

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

Front

What is a full rotation in degrees?

Back

A full rotation measures 360 degrees.

Front

What is the sum of angles in a triangle?

Back

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

Front

If one angle in a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Front

What is a protractor used for?

Back

A protractor is used to measure angles in degrees.

Front

Find the missing angle if one angle is 60 degrees and the other is 70 degrees.

Back

The missing angle is 50 degrees.

Front

What is the measure of a straight angle?

Back

A straight angle measures exactly 180 degrees.