Angles 4th Grade Review

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

Which Polygon has all Obtuse Angles?

Back

A polygon that has all obtuse angles is called an obtuse polygon.

Front

What angle do the hands of the clock form when it shows 10:10?

Back

The angle formed is obtuse.

Front

Identify this picture: ray AB.

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Front

What is the measurement of a half circle?

Back

The measurement of a half circle is 180 degrees.

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 a Straight Angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a Full Circle?

Back

A full circle measures 360 degrees.

Front

What do you call a polygon with three sides?

Back

A polygon with three sides is called a triangle.