Geometry Vocab Review

Front

An acute angle is...

Back

bigger than 1 degree but less than 90 degrees.

Front

An obtuse angle is...

Back

bigger than 90 degrees but less than 180 degrees.

Front

Part of a line that consists of one endpoint and all the points of the line on one side of the endpoint is called a...

Back

Ray.

Front

One angle that measures 180 degrees is called a...

Back

Straight Angle.

Front

An angle that measures less than 90 degrees is called an...

Back

Acute Angle.

Front

An angle that measures exactly 90 degrees is called a...

Back

Right Angle.

Front

Two angles that add up to 180 degrees are called...

Back

Supplementary Angles.

Front

Two angles that add up to 90 degrees are called...

Back

Complementary Angles.

Front

A line that intersects another line at a right angle is called...

Back

Perpendicular.

Front

A straight line that extends infinitely in both directions is called a...

Back

Line.