Unit 1 Vocabulary Test

Front

Definition of a Line

Back

A straight path extending forever in both directions; no thickness or width.

Front

Point dividing segment into two congruent parts

Back

Midpoint

Front

Two angles with the same measure

Back

Congruent

Front

Angle > 90°

Back

Obtuse

Front

2 angles with a common vertex and side, not overlapping

Back

Adjacent

Front

Angles that sum to 180°

Back

Supplementary

Front

Adjacent and supplementary angles

Back

Linear Pair

Front

Adjacent angles with perpendicular non-common sides

Back

Complementary

Front

Non-adjacent angles formed by intersecting lines

Back

Vertical

Front

2 rays with a common endpoint

Back

Angle