Flashcard-Types of Angles

Front

What type of angle is less than 90 degrees?

Back

Acute angle

Front

What is the definition of an ACUTE angle?

Back

An angle that measures less than 90 degrees.

Front

What is an angle?

Back

An angle is formed by two rays that meet at a common endpoint.

Front

Which shape has a total angle measure of 360 degrees?

Back

Circle

Front

What type of angle measures exactly 90 degrees?

Back

Right angle

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

What is the definition of a RIGHT angle?

Back

An angle that measures exactly 90 degrees.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

What type of angle is exactly 180 degrees?

Back

Straight angle.

Front

What is the definition of an OBTUSE angle?

Back

An angle that measures greater than 90 degrees and less than 180 degrees.