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100

A point on a line segment that divides the segment into two equal parts.

Midpoint

100

A point at the start or end of a geometric object

Endpoint

100

It names a location and has no size.

Point

200

The point where two rays or line segments meet

Vertex

200

A part of a line consisting of two points and all the points between them.

Line Segment

200

Points that lie on the same line.

Collinear

300

An infinite number of points on a straight path that extends forever in opposite directions.

Line

300

A part of a line that starts at an endpoint and extends forever in one direction.

Ray

300

When two lines meet/intersect this is formed.

Angle

400

Line, segment, or ray that divides a geometric object into two equal parts.

Bisector

400

When two figures have the same size and shape.

Congruent

400

Distance from the center to the outside of a circle.

Radius