Angles Worksheet

This angle can be named as

• ∠H

• ∠J

• ∠K

• ∠X

This angle can be named as

∠3, ∠F, ∠___, and ∠GFE.

• ∠EFG

• ∠GEF

• ∠FGE

• ∠3F

This angle can be named as

∠5, ∠O, ∠___, and ∠PON.

• ∠NOP

• ∠NPO

• ∠ONP

• ∠NP

What are complementary angles?

• Two angles whose sum is 90 degrees.

• Two angles whose sum is 180 degrees.

• Two angles whose sum is 45 degrees.

• Two angles whose sum is 270 degrees.

If one angle is 30 degrees, what is the measure of its complementary angle?

• 60

• 120

• 90

• 45

What are supplementary angles?

• Two angles that add up to 90 degrees.

• Two angles that add up to 180 degrees.

• Two angles that add up to 360 degrees.

• Two angles that add up to 45 degrees.

If one angle is 120 degrees, what is the measure of its supplementary angle?

• 60

• 90

• 30

• 120

Find the value of x in the given figure, where angle A and angle B are complementary angles. Angle A = 40 degrees. Angle B = x degrees.

• 30

• 60

• 70

• 50

Find the value of x in the given figure, where angle P and angle Q are supplementary angles. Angle P = 130 degrees. Angle Q = x degrees.

• 120

• 50

• 80

• 100

If two angles are complementary and one angle measures 45 degrees, what is the measure of the other angle?

• 30

• 90

• 45

• 60