Geometry Vocab unit 1

Front

Two angles that sum to 90°

Back

Complementary

Front

Two adjacent angles forming a straight line

Back

Linear Pair

Front

Two angles that sum to 180°

Back

Supplementary angles

Front

Opposite congruent angles formed by intersecting lines

Back

Vertical angles

Front

Common point of segments, rays, or planes

Back

Vertex

Front

Lines passing through the same point

Back

Intersecting lines

Front

Two lines that never intersect, are equidistant, and have the same slope.

Back

Parallel lines

Front

Two lines intersecting at a right angle

Back

Perpendicular lines

Front

A line forming a closed loop at a fixed distance from a point.

Back

Circle

Front

Location with no size

Back

Point