Intro to Basic Geometry Terms

When two planes intersect they form a...

• Point

• Line

• Plane

A movie screen is an example of a...

• point

• line

• plane

• intersection

A point is a...

• location

• sharp object

• defined term

• 2D object

Has no dimension and is represented by a dot 

• Point

• Plane

• Line

• Line segment

Part of a line that consists of two points, called endpoints.

• Line

• Ray

• Angle

• Line segment

A point that divides, or bisects, a segment into two congruent segments

• Midpont

• Vertex

• Bisector

• Intersection

An angle with measure between 90° and 180

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

Two dimensional and extends without end, even though the drawing appears to have edges

• Line

• Line segment

• Plane

• Ray

Part of a line that consists of a point called an endpoint and all points on the line that extend in one direction

• Plane

• Line segment

• Ray

• Angle

An angle with measure equal to 90°

• Acute angle

• Complementary angle

• Straight angle

• Right angle