Circumference and Area of Circles and Composite Figures

What is the radius?

• 18

• 72

• 38

• 14

What is the circumference?

• 48

• 96

• 24

• 18

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 66.5cm

• 10m

What is the area of this circle?

• 62.59 cm²

• 113.1 cm²

• 19.81 cm²

• 28.26 cm²

Find the area of the shaded region. Round your answer to nearest whole number.

• 46 sq. in.

• 44 sq. in.

• 42 sq. in.

• 40 sq. in.

What is the Area of this entire composite figure?

• 8.28 in^2

• 16.56 in^2

• 5.57 in^2

• 7.14 in^2

What is the area of the shaded region?

• 15.76 squared cm

• 66.4 squared cm

• 53.44 squared cm

• 44.6 squared cm

What is the area between the circles and inside the square?

• 12.6 units²

• 8 units²

• 51.4 units²

• 13.7 units²

Find the area of the shaded region.

• 35.14 ft²

• 25.72 ft²

• 19.43 ft²

• 28.86 ft²

Solve.

• 78.5 cm²

• 100 cm²

• 21.5 cm²

• 121.5 cm²