Chapter 1 Vocabulary-Geometry

Front

What is a geometric figure with 2 dimensions extending in all directions?

Back

Plane

Front

What is a geometric figure with no dimension, represented by a dot?

Back

Point

Front

What do you call two angles whose sum of their measures is 90 degrees?

Back

Complementary Angles

Front

What type of angles have measures less than 90 degrees?

Back

Acute Angles

Front

What is part of a line with one endpoint called?

Back

Ray

Front

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

Back

Line

Front

What do you call a part of a line that has two endpoints?

Back

Line Segment

Front

What is the term for angles that are opposite each other when two lines intersect?

Back

Vertical Angles

Front

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

Back

Supplementary Angles

Front

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

Back

Right Angle