Geometry Terms and Notation

Give another name for line a

• Answer not shown

Give another name for line c

• Answer not shown

Perpendicular Lines

• Lines that cross and make a right angle (90 degrees). Think about them making a t when they cross!

• Lines that never cross, even if they go on forever.

• Lines that cross and make a right angle (90 degrees). Think about them making a t when they cross!

• A straight row of points that goes on forever in both directions.

Right Angle

• An angle that measures exactly 90 degrees.

• An angle that measures greater than 90 degrees

• An angle that measure less than 90 degrees.

Two segments that have the same length.

• Line Segment

• Parallel

• Coplanar

• Congruent Segments

Points that are at the ends of a line segment are called _____________________________.

• endpoints

• arrows

• rays

• midpoints

What is the correct notation for the figure shown?

Which of the following correctly names the figure shown?

• 
• 
• 
• 

This figure consists of two endpoints and all of the points in between.

• line segment

• ray

• line

• opposite rays

This figure is used to represent a specific location in space.

• plane

• line segment

• point

• ray