Geometry Vocab

Front

Angles sharing a common side and vertex.

Back

Adjacent

Front

A line that cuts through parallel lines

Back

Transversal

Front

Angles summing to 90 degrees

Back

Complementary

Front

Equivalent in form or shape

Back

Corresponding

Front

Point where 2+ lines meet

Back

Vertex

Front

Consecutive Interior Angles

Back

Sum to 180 degrees

Front

Two intersecting lines create equal opposite angles.

Back

Vertical

Front

Alternate Interior Angles

Back

Equal each other

Front

A line with a fixed start and no end.

Back

Ray

Front

Angles that sum to 180°

Back

Supplementary