Unit 2 vocabulary

Two lines that lie in the same plane and do not intersect. (a)  

• Perpendicular Lines
• Complementary
• Supplementary
• Parallel lines

Angles in the same plane that have a common vertex and a common side, but no common interior points. (a)  

• Angle
• Line
• Adjacent Angles
• Bisect

A set of points that has no thickness but its length goes on forever in two opposite directions. (a)  

• Line
• Line Segment
• Ray
• Parallel Lines

Two angles whose sum is 180 degees. (a)  

• Supplementary
• Complementary
• Collinear
• Bisect

The part of a line between two points on the line. (a)  

• Line
• Line Segment
• Ray
• Midpoint

Two angles whose sum in 90 degrees. (a)  

• Midpoint
• Bisect
• Supplementary
• Complementary

begins at a point and goes on forever in one direction. (a)  

• Line
• Line Segment
• Ray
• Angle

Two lines that intersect at a right angle (a)  

• Perpendicular Lines
• Parallel Lines
• Line Segment
• Ray

created by two distinct rays that share a common endpoint, known as the vertex. (a)  

• Angle
• Adjacent Angle
• Complementary
• Supplementary

Having the same size, shape, and measure. (a)  

• Congruent
• Angle
• Ray
• Line