Unit 2 Vocab

Front

Segment

Back

A part of a line that is bounded by two distinct endpoints.

Front

Endpoint

Back

A point at either end of a segment or the starting point of a ray.

Front

Segment Addition Postulate

Back

A postulate stating that if a point B lies on segment AC, then AB + BC = AC.

Front

Midpoint

Back

The point that divides a segment into two congruent parts.

Front

Midpoint Formula

Back

The formula used to find the midpoint between two points.

Front

Distance Formula

Back

The formula used to calculate the distance between two points.

Front

Congruent Segments

Back

Segments that have the same length.

Front

Coordinate Plane

Back

A plane containing two perpendicular axes (x-axis and y-axis) used to locate points.

Front

Bisector

Back

A line, segment, or ray that divides another segment into two equal parts.

Front

Collinear Points

Back

Points that lie on the same straight line.