Geometry Vocab

A location with no size or shape.

• ray

• line

• point

• line segment

2 lines that intersect at a 90° angle are called:

• perpendicular

• vertical

• parallel

• horizontal

Identical in size, shape and form.

• collinear

• equal

• similar

• congruent

It's made up of points with NO thickness or width.

• ray

• angle

• line segment

• line

A measurable part of a line with two distinct endpoints.

• ray

• line segment

• angle

• line

Any line that is straight up and down; perpendicular to the horizontal.

• vertical

• parallel

• congruent segment

• collinear

A part of a line with one distinct endpoint

• line

• ray

• line segment

• angle

Any line parallel to the horizon.

• parallel

• vertical

• horizontal

• perpendicular

any points that lie on the same line

• line

• congruent

• coplanar

• collinear

If A, B and C are collinear points and B is between A and C, then AB+BC=AC

• true

• false