Complementary and Supplementary Quiz

Angles 1 and 2 form a right angle. Which word describes their measures?

• linear

• congruent

• complementary

• supplementary

Triangle ABC is a right triangle. What is the relationship between angles A and B?

• They are congruent.

• They are complementary.

• They are supplementary.

• There is no relationship between them.

Figure LMNO is a parallelogram.

Angles L and M are supplementary. What is the sum of their measures?

• 90

• 180

• 360

• 75

Angle ACD is supplementary to angles ACE and BCD, and also congruent to angle BCE. 

Which statements are true about the angles in the diagram? Select three options.

• Angle ACE is supplementary to angle BCD.

• Angle BCE is supplementary to angle ACE.

• Angle BCD is supplementary to angle BCE.

• Angle ACE is congruent to angle BCE.

• Angle BCD is congruent to angle ACE.

Rectangle QRST is shown. Angle QRT is congruent to angle STR, and angle STR is complementary to angle QTR.

Which statement is true about angles QRT and QTR?

• They are congruent.

• They are complementary.

• They are supplementary.

• They are right angles. 

Right angle FCD intersects AB and CE at point C. FCE is congruent to ECD. ECD is complementary to DCB. Which statement is true about DCB and ACF? 

• They are congruent and complementary.

• They are congruent and supplementary.

• They are complementary but not necessarily congruent.

• They are supplementary but not necessarily congruent.

Angles A and B are supplementary. Angle A has a measure of 80°. What is the measure of angle B?

The angle measurement of angle B is ____

Angle B measures 60°. What is the measure of the angle that is complementary to angle B?

• 30

• 60

• 120

• 180

Points A, B, and C are on line AC. Angle CBD has a measure of 140°. What is the measure of angle ABD?

• 40

• 50

• 60

• 70

• 34

• 56

• 68

• 79