Complementary Angles

The measures of complementary angles add up to how many degrees in total?

• 180

• 90

• 100

• 360

Find the unknown angle measure x.

• 75 degrees

• 15 degrees

• 13 degrees

• 105 degrees

Find the unknown angle measure x.

• 28 degrees

• 31 degrees

• 62 degrees

• 118 degrees

An angle measures 14 degrees. What's the measure of this angle's complement?

• 166 degrees

• 14 degrees

• 76 degrees

• 86 degrees

An angle measures 57 degrees. What's the measure of its complementary angle?

• 23 degrees

• 43 degrees

• 123 degrees

• 33 degrees

An angle measures 80.5 degrees. What's the measure of its complement?

• 9.5 degrees

• 10 degrees

• 9 degrees

• 95.5 degrees

Find the missing angle measure (measure of <BOC)

• 42 degrees

• 142 degrees

• 52 degrees

• 62 degrees

Solve for x.

• x = 10

• x = 35

• x = 50

• x = 12.5

Tags

CCSS.HSG.CO.C.9

Are the following angles complementary?

• No, because the angles do not touch each other.

• Yes, because they are both acute angles.

• No, because their angle measures do not add up to 180 degrees.

• Yes, because their angle measures add up to 90 degrees.

Tags

CCSS.7.G.B.5