Geometry Basics Vocabulary

A point that divides, or bisects, a segment into two congruent segments is called a ___________________.

• midpoint

• congruent segment

• angle bisector

• endpoint

Points that lie in the same plane are called ____________________.

• coplanar points

• collinear points

• line segment

• defined terms

A point that divides, or bisects, a segment into two congruent segments is called a ___________________.

• midpoint

• congruent segment

• angle bisector

• endpoint

What are Collinear Points?

• Points that lie in the same plane

• The region that contains all the points between the sides of an angle

• A flat surface made up of points that has two dimensions and extends without end, and is represented by a shape that looks like a floor or a wall

• Points that lie on the same line

What is a plane?

• A flat surface made up of points that has two dimensions and extends without end, and is represented by a shape that looks like a floor or a wall

• Two adjacent angles whose noncommon sides are opposite rays

• The region that contains all the points outside of an angle

• A point, ray, line, line segment, or plane that intersects the segment at its midpoint

A location in space that is represented by a dot and has no dimensions

• Point

• Line

• Plane

• Angle

Consists of 2 endpoints and all the points in between.

• Ray

• Line

• Line Segment

• Angle

Which one is a way to name this line?

• ̅A̅ ̅B̅

• ̅B̅ ̅A̅

• Line A

• Line l

What is another way to name ̅P̅ ̅Q̅?

• ̅Q̅ ̅P̅

• ↔PQ

• Line P

• Line Q

a set of points that form a straight path that goes in opposite directions without ending

• ray

• line segment

• point

• line