Unit 1 Vocabulary Quiz - Geometry

• right angle

• complementary angles

• perpendicular lines

• linear pair

A line that extends indefinitely in one direction (it keeps going one way)

• ray

• collinear

• vertex

• line

The formula used to find the distance between two points on a coordinate plane

• segment addition postulate

• midpoint formula

• angle addition postulate

• distance formula

complementary angles

• two lines that never intersect

• two angles with measures that have a sum of 90⁰

• two angles directly across from each other

• two angles with measures that have a sum of 180⁰

A location with no size or shape

• plane

• line

• angle

• point

The "run" of a directed line segment (x₂ - x₁)

• Horizontal Component

• straight angle

• line

• slope

The intersection of two rays at an endpoint

• ray

• line

• angle

• plane

Adjacent angles that are supplementary. Combined, they form a straight line.

• Acute angles

• vertical angles

• complementary angles

• linear pair

Points that all lie on the same plane.

• collinear

• coplanar

• plane

• point

A segment, line, or plane that intersects a segment at its midpoint.

• midpoint formula

• parallel lines

• segment bisector

• line