7th Grade Math Vocabulary Review

Front

Alternate Interior Angles

Back

Angles inside parallel lines, on opposite sides of the transversal.

Front

Vertical Angles

Back

Angles opposite each other when two lines intersect.

Front

Supplementary Angles

Back

Two or more angles that sum to 180°.

Front

Complementary Angles

Back

Two or more angles that sum to 90°.

Front

Same-Side Interior Angles

Back

Angles inside parallel lines on the same side of the transversal.

Front

Same-side exterior angles

Back

Outside parallel lines, same side of transversal.

Front

Alternate Exterior Angles

Back

Angles outside parallel lines on opposite sides of the transversal.

Front

Corresponding Angles

Back

Angles in the same location

Front

Lines that never intersect and are always the same distance apart

Back

Parallel Lines

Front

Triangle with 3 equal sides and angles

Back

Equilateral Triangle