Angles - 4th Grade

Front

The union of two distinct rays with a common endpoint is...

Back

an angle

Front

Name the angle that measures exactly 90 degrees.

Back

Right angle

Front

An angle that has a measure greater than 90 degrees and less than 180 degrees is called a(n) ______ angle.

Back

Obtuse angle

Front

True or False? A 180 degree angle is called a straight angle.

Back

True

Front

An angle that has a measure of exactly 180 degrees is called a(n)__________angle.

Back

Straight angle

Front

An angle that measures less than 90 degrees is called a(n) ______ angle.

Back

Acute angle

Front

What do you call an angle that measures exactly 90 degrees?

Back

Right angle

Front

What type of angle is formed when two rays point in opposite directions?

Back

Straight angle

Front

If an angle measures more than 180 degrees but less than 360 degrees, it is called a(n) ______ angle.

Back

Reflex angle

Front

What is the sum of angles in a triangle?

Back

180 degrees