angles grade 4

Front

Name this angle: (Image of an acute angle)

Back

Acute angle

Front

Define Obtuse

Back

Greater than 90 and less than 180 degrees

Front

A right angle is at what degree?

Back

90 degrees

Front

Classify this angle: (Image of a straight angle)

Back

Straight angle

Front

What is the measure of this angle? (Image of an angle measuring 165 degrees)

Back

165 degrees

Front

What is an angle?

Back

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

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

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

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.