Angles

Front

What is an acute angle?

Back

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

Front

What is a right angle?

Back

A right angle is an angle that 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 the measurement of a straight angle?

Back

A straight angle measures exactly 180 degrees.

Front

What do we call angles that are exactly the same?

Back

Angles that are exactly the same are called congruent angles.

Front

What is the sum of angles in a triangle?

Back

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

Front

What is a complementary angle?

Back

Complementary angles are two angles that add up to 90 degrees.

Front

What is a supplementary angle?

Back

Supplementary angles are two angles that add up to 180 degrees.

Front

What is a full rotation in degrees?

Back

A full rotation is 360 degrees.

Front

What is a reflex angle?

Back

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