Angle Pairs (final)

What is the sum of two angles if they are supplementary angles?

• 45°

• 90°

• 135°

• 180°

Which of the following is the supplement of an angle measuring 57°?

• 113°

• 123°

• 133°

• 143°

Angle a and angle b have a sum of 90°. They are called ____________ angles.

• Right

• Obtuse

• Complementary

• Supplementary

What is the complement of x, if x is a measure of an acute angle?

• 90° + x

• 90° - x

• 180° + x

• 180° - x

Identify what is described. Pair of angles the sum of the measure of which is 180°.

• Complementary

• Supplementary

• Right

• Obtuse