Geometry Rays Lines Line Segments

What are the undefined terms essential to any study of geometry?

• points, lines, rays

• rays, segments, lines

• points, lines, planes

• lines, points, segments

Which has only one endpoint?

• line

• line segment

• ray

• plane

A__________ is a fixed position in space and has no dimensions or size.

• Point

• Line

• Plane

• Cube

Two lines intersect at a ....

• angle

• point

• line

• intersection

Are points D and E collinear or coplanar?

• Collinear

• Coplanar

• Both

• Neither

Give another name for line k.

• Line BC

• Line BCE

• Line ED

• Line k is the only name, there isn't another name.

How many planes appear in the figure?

• 4

• 1

• 6

• 5

An angle with a measure between 0 and 90 degrees is called an _____________________.

• acute angle

• right angle

• obtuse angle

• straight angle

An angle with a measure equal to 90 degrees is called a __________________________.

• right angle

• obtuse angle

• acute angle

• congruent angle