Geometry Vocab Review

Front

What type of line is pictured?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is this?

Back

A line segment is a part of a line that has two endpoints.

Front

What is an exact location in space?

Back

A point is a specific location that has no size or dimension.

Front

What does the image show?

Back

Acute angles are angles that measure less than 90 degrees.

Front

This is what kind of angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What are lines that never meet called?

Back

Parallel lines are lines in a plane that never intersect.

Front

What is a line that extends infinitely in one direction?

Back

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

Front

What is the measure of an obtuse angle?

Back

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

Front

What do you call an angle that measures exactly 180 degrees?

Back

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

Front

What is the distance between two points on a line?

Back

The length of a line segment is the distance between its two endpoints.