# Lesson Worksheet: Complementary and Supplementary Angles Mathematics • 7th Grade

In this worksheet, we will practice identifying complementary and supplementary angles and applying these properties in order to find a missing angle.

Q1:

Classify the pair of angles as complementary, supplementary, or neither. • Asupplementary
• Bneither
• Ccomplementary

Q2:

State whether the given pair of angles is supplementary, complementary, or neither. • Aneither supplementary nor complementary
• Bcomplementary
• Csupplementary

Q3:

Does every right triangle contain a pair of complementary angles?

• ANo
• BYes

Q4:

If and are complementary, , and complements , which of the following is equal to ?

• A
• B
• C

Q5:

Find the measure of the angle which supplements the angle measuring .

Q6:

Find . Q7:

Given that the two angles are supplementary, find the value of . Q8:

Find the value of . Q9:

Find the value of . Q10:

Classify the following pair of angles as complementary, supplementary, vertical, or neither. • Acomplementary
• Bneither
• Cvertical
• Dsupplementary