Angles Vocab Warm-Up

Front

∠AOB and ∠COB are best described as -

Back

adjacent angles

Front

Complementary, supplementary, or neither?

Back

Complementary

Front

Supplementary angles?

Back

Add up to 180°.

Front

Vertical angles are always

Back

congruent (equal measures)

Front

Complementary angles?

Back

Add up to 90°.

Front

Vertical angles are:

Back

Opposite angles when lines intersect.

Front

Angles < 90° are called _____ ______.

Back

acute angles

Front

Angles that are 90° are called _____ ______.

Back

right angles

Front

Angles that are 180 degrees are called _____ ______.

Back

straight angles

Front

Angle type shown?

Back

Obtuse