Complementary and Supplementary Angles Vocabulary

Front

Angles that are across from each other when 2 lines intersect are called ___________ angles.

Back

vertical

Front

Angles that share the same vertex or ray; angles right next to each other are called ____________ angles.

Back

adjacent

Front

Complementary angles have a sum of _____.

Back

Front

Supplementary angles have a sum of ____.

Back

Front

Two lines that will never intersect are ______ _____. Options: transversal lines, vertical lines, congruent lines, parallel lines.

Back

parallel lines

Front

A line that intersects 2 or more lines is called __________.

Back

transversal

Front

Corresponding angles are__________________________________.

Back

angles that are in the same position on the parallel lines on each side of the transversal.

Front

Alternate interior angles are _________________________________

Back

angles that are inside parallel lines and on opposite sides of the transversal and are congruent.

Front

Alternate exterior angles ______________________________.

Back

angles that are outside the parallel lines and on opposite sides of the transversal and are congruent.

Front

Same side interior angles ______________________________.

Back

angles that are inside the parallel lines and on the same side of the transversal.