Geometry Basics Vocabulary

Front

What does \( \overline{JL} \) represent?

Back

Line segment JL.

Front

What is a linear pair?

Back

A pair of adjacent angles whose non-common sides are opposite rays.

Front

Which option shows a ray?

Back

A ray has one endpoint and extends infinitely in one direction.

Front

How is a line named?

Back

By any 2 points on the line, or a lowercase script letter.

Front

What does it mean for points to be collinear?

Back

Points that lie on the same straight line.

Front

Define a point in geometry.

Back

A location in space with no dimensions, represented by a dot.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is an angle?

Back

Formed by two rays with a common endpoint called the vertex.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.