Geometry Basics Definitions

In the following diagram, where would <BCD be located?

• 4

• 5

• 6

• 7

In the following diagram, where would <DBC be located?

• 4

• 5

• 6

• 7

two angles that sum to be 180

• complementary angles

• straight angles

• adjacent angles

• supplementary angles

the endpoint that is shared by the two rays which form an angle

• vertex

• point

• angle bisector

• segment length

A pair of line which meet at right angles

• Parallel

• Bisecting lines

• Perpendicular lines

• Angle bisector

Obtuse angle - an angle that is _______ a 90 degree angle.

• more than

• less than

• equal to

• none of the above

.
.
What is the name of this ray?

• Ray AB

• Ray BA

• Ray ABC

• Ray AC

How would you describe points I, L, and C?

• collinear

• non-coplanar

• symmetric

• coplanar

True or False: Points A, B, and C are collinear.

• True

• False

The most basic element of Geometry.

• Point

• Segment

• Line

• Plane