1

Find the measure of an angle that is complementary to 60°.

A) 40°

B) 30°

C) 50°

D) 60°

2

Find the value of y in (3y + 23)° and (6y - 11)°, which create a linear pair.

A) \$28°\$

B) \$18.67°\$

C) \$23°\$

D) \$24°\$

3

If angles of measures (3x - 3)° and (x + 7)° are a pair of supplementary angles. Find the measures.

A) \$135°, 45°\$

B) \$119°, 61°\$

C) \$130°, 52°\$

D) \$129°, 51°\$

4

Are 30° and 70° complementary angles?

A) Yes

B) Both

C) None

D) No

5

What is the measure of a complete angle?

A) 180°

B) 270°

C) 360°

D) 90°

6

What is the measure of an angle that is supplementary to 160°?

A) 55°

B) 30°

C) 20°

D) 25°

7

Two angles are complementary. The larger angle is 3° larger than the smaller angle.

A) larger : \$46.5°\$

B) larger : \$43.5°\$

C) larger : \$44.5°\$

D) larger : \$4.5°\$

8

If three angles 2x, 2x, and 2x together form a straight angle, find the angles.

A) \$60°, 60°, 60°\$

B) \$45°, 60°, 45°\$

C) \$45°, 45°, 30°\$

D) \$30°, 65°, 40°\$

9

Are 125° and 65° supplementary angles?

A) Yes

B) No

C) Both

D) None

10

If 40° and 2x + 28° form a right angle, find the value of x.

A) \$18°\$

B) \$11°\$

C) \$5°\$

D) \$16°\$