Geometry Basics

Front

What is a flat surface that has no thickness and extends forever?

Back

Plane

Front

What is the term for the symbol that indicates two figures are congruent?

Back

Congruent

Front

What do you call two rays that have a common endpoint and form a line?

Back

Opposite Rays

Front

In geometry, what is the point called where two lines meet?

Back

Vertex

Front

What consists of 2 endpoints and all the points in between?

Back

Line Segment

Front

What is a straight path that extends infinitely in both directions?

Back

Line

Front

What is a part of a line that has one endpoint and extends infinitely in one direction?

Back

Ray

Front

What do you call angles that add up to 180 degrees?

Back

Supplementary Angles

Front

What is the term for angles that are equal in measure?

Back

Congruent Angles

Front

What is the name for a pair of angles that share a common side and vertex but do not overlap?

Back

Adjacent Angles