4th Grade Geometry Vocabulary

Front

What are two lines that cross at a 90 degree angle?

Back

Perpendicular lines.

Front

True or False: Perpendicular lines are two lines that cross at a 90 degree angle.

Back

True.

Front

What is a part of a line that has two endpoints?

Back

Line Segment.

Front

What do you call roads that never meet?

Back

Parallel roads.

Front

What is a specific location in space that has no dimension?

Back

Point.

Front

What is a line that extends infinitely in one direction?

Back

Ray.

Front

What do you call two lines that cross each other?

Back

Intersecting lines.

Front

What is the term for the angle formed when two lines meet at a right angle?

Back

Right Angle.

Front

What is the distance between two points on a line called?

Back

Line Segment.

Front

What do you call a straight path that extends infinitely in both directions?

Back

Line.