Unit 1 Vocab

Front

A portion of a line that starts at a point and continues forever in one direction.

Back

Ray

Front

A flat surface with no thickness, extending infinitely in all directions.

Back

Plane

Front

A connected straight path with no thickness, continuing forever in both directions.

Back

Line

Front

A specific location.

Back

Point

Front

A portion of a line with two endpoints and all points in between.

Back

Line Segment

Front

A statement accepted as true without proof

Back

Postulate

Front

Points on the same plane

Back

Coplanar

Front

Lines that intersect at right angles

Back

Perpendicular Lines

Front

Point dividing a segment into two equal parts.

Back

Midpoint

Front

Points on the same line

Back

Collinear