4th Grade Geometry

Front

What fraction of a circle is 90 degrees?

Back

1/4

Front

What do we call lines that never meet?

Back

Parallel lines

Front

What is an obtuse angle?

Back

An angle between 90 and 180 degrees.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What do we call an angle less than 90 degrees?

Back

An acute angle.

Front

What is a ray?

Back

A part of a line that starts at one point and extends indefinitely in one direction.

Front

What do we call two lines that meet at a right angle?

Back

Perpendicular lines.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is the total number of degrees in a circle?

Back

360 degrees.