# Worksheet: Complementary and Supplementary Angles

Q1:

State whether the given pair of angles is supplementary, complementary, or neither.

• Acomplementary
• Bsupplementary
• Cneither supplementary nor complementary

Q2:

State whether the given pair of angles is supplementary, complementary, or neither.

• Aneither supplementary nor complementary
• Bcomplementary
• Csupplementary

Q3:

In the figure . If , what are and ?

• A ,
• B ,
• C ,
• D ,
• E ,

Q4:

In the given diagram, is a straight line. Answer the following questions.

Form an equation that will allow you to calculate .

• A
• B
• C
• D
• E

Find the value of .

• A
• B
• C
• D
• E

Find the value of .

• A
• B
• C
• D
• E

Q5:

In triangle , lies between and , and is on ray . Determine .

• A
• B
• C
• D

Q6:

Does every right-angled triangle contain a pair of complementary angles?

• Ayes
• Bno

Q7:

Find .

• A
• B
• C
• D
• E

Q8:

Are and on the same straight line?

• Ano
• Byes

Q9:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Asupplementary
• Bvertical
• Ccomplementary
• Dneither

Q10:

Find the value of .

• A45
• B22.5
• C60
• D15

Q11:

Find the value of .

• A90
• B60
• C72
• D36

Q12:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Asupplementary
• Bvertical
• Cneither
• Dcomplementary

Q13:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Avertical
• Bcomplementary
• Cneither
• Dsupplementary

Q14:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Avertical
• Bcomplementary
• Csupplementary
• Dneither

Q15:

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

• A
• B
• C

Q16:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Acomplementary
• Bvertical
• Cneither
• Dsupplementary

Q17:

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

• Asupplementary
• Bvertical
• Ccomplementary
• Dneither

Q18:

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

• A
• B
• C
• D

Q19:

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

• A
• B
• C

Q20:

Find .

• A
• B
• C
• D

Q21:

In the given diagram, is a right angle and , and .

Form an equation that will allow you to calculate .

• A
• B
• C
• D
• E

Solve for .

• A
• B
• C
• D
• E

Q22:

Find the value of .

Q23:

Classify the pair of angles as complementary, supplementary, or neither.

• Aneither
• Bcomplementary
• Csupplementary

Q24:

Classify the pair of angles as complementary, supplementary, or neither.

• Aneither
• Bsupplementary
• Ccomplementary

Q25:

Classify the pair of angles as complementary, supplementary, or neither.

• Acomplementary
• Bsupplementary
• Cneither