Circles Test Review

If my diameter is 19 inches, what is my radius?

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26

• 452.39

• 9.42

• 113.10

What is the area of the shaded region? Round to the nearest hundredth.

• 8.38

• 2.09

• 33.49

• 14.19

What is the arc length of minor arc AB?

• 5.23

• 103

• 33.33

• 50

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

What is the area of the red shaded segment?

• 25 in²

• 28.5 in²

• 12.5 in²

• 383.4 in²

What is the area of the green shaded segment?

• 18.3 cm²

• 50.3 cm²

• 169.1 cm²

• 201.1 cm²

What is 225  degrees in radians? 

• 7π/4

• 5π/4

• 3π/4

• 5π/3

Convert the following to radians:   
720⁰

• 3π

• 4π

• 5π

Find the area of sector.