Basic Geometry Concepts Flashcard

Front

What is a line, ray, or segment that divides an angle or segment into two equal parts called?

Back

Bisector

Front

What is defined as a location with no size or shape?

Back

Point

Front

Which term describes a flat surface made up of points that extends indefinitely in all directions?

Back

Plane

Front

What is made up of points with no thickness or width and extends indefinitely in both directions?

Back

Line

Front

What term is used for points that lie on the same plane?

Back

Coplanar

Front

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

Back

Line Segment

Front

What is the term for a straight path that extends infinitely in one direction?

Back

Ray

Front

What is the measure of the angle formed by two rays that share a common endpoint?

Back

Angle

Front

What do you call two lines that intersect at a right angle?

Back

Perpendicular Lines

Front

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

Back

Vertical Angles