Vocabulary Review for Midterm (CORE)

Which of the following is not an undefined term?

• Point
• Angle
• Line
• Plane

Points that lie on the same line are called....

• collinear
• coplanar
• copointed
• none of these

Points that lie on the same plane are called...

• none of these
• noncoplanar
• coplanar
• collinear

The point that divides a line segment into two equal pieces.

• point
• midpoint
• angle bisector
• segment addition

An angle that measures 90 degrees

• acute
• right
• obtuse
• linear

An angle that is less than 90 degrees

• right
• obtuse
• acute
• linear

An angle that measures greater than 90 degrees

• linear
• obtuse
• acute
• right

Angles that are next to each other

• vertical
• complement
• adjacent

Angles that add to 180 degrees and are adjacent are called... (hint the form a straight line)

• linear
• adjacent
• vertical
• complementary

Angles that are formed by intersecting lines (form an X) and are congruent

• adjacent
• linear
• vertical
• supplementary