Geometry Vocab Review

Front

Line: Has at least 2 points and extends infinitely, usually with arrows at both ends.

Back

Has at least 2 points and extends infinitely, usually with arrows at both ends.

Front

Points on the same line

Back

Collinear

Front

Ray:

Back

One initial point, continues in one direction.

Front

Types of angles: Supplementary, Complementary, Obtuse.

Back

Complementary Angles

Front

Divides a line segment in half.

Back

Segment Bisector

Front

Types of angles: Complimentary, Acute, Supplementary.

Back

Supplementary Angles

Front

Adjacent angles formed by intersecting lines, summing to 180°.

Back

Linear Pair

Front

Angles 1 and 3 are...

Back

Vertical Angles

Front

A line that divides an angle into two equal angles.

Back

Angle Bisector

Front

2 angles sharing a vertex, a side, and no interior points.

Back

Adjacent Angles