Geometry Flashcard, JT 8th Grade

Front

What is a set of points that extends forever in both directions called?

Back

Line

Front

Which term describes a part of a line with two endpoints?

Back

Line segment

Front

What is the term for two angles whose sum equals 180 degrees?

Back

Supplementary

Front

Two angles whose sum equals 90 degrees.

Back

Complementary

Front

What do you call lines that lie in the same plane and meet at a point?

Back

Intersecting Lines

Front

What is a straight line that has no endpoints?

Back

Line

Front

What is a part of a line that starts at a point and extends infinitely in one direction?

Back

Ray

Front

What do you call two lines that never meet?

Back

Parallel Lines

Front

What is the term for an angle that measures less than 90 degrees?

Back

Acute Angle

Front

What is the term for an angle that measures exactly 90 degrees?

Back

Right Angle