Geo Unit 1 Vocab

Front

Two angles in the same plane with a common vertex and side, but no interior points in common.

Back

Adjacent Angles

Front

Two angles that sum to 90°

Back

Complementary

Front

Two adjacent angles whose sum is supplementary.

Back

Linear Pair

Front

Two angles that sum to 180°

Back

Supplementary

Front

Two angles with sides as opposite rays.

Back

Vertical Angles

Front

A line that divides an angle into two congruent angles.

Back

Angle Bisector

Front

A line that divides an object into two congruent parts.

Back

Bisector

Front

Point on a line segment dividing it into two equal parts

Back

Midpoint

Front

A line that intersects a segment at its midpoint forming right angles.

Back

Perpendicular Bisector

Front

A line that intersects a segment at its midpoint.

Back

Segment Bisector