Area of a Circle

Area of a Circle

Lesson 8.3

Area =  πr²

Find the area of the circles to the right.

Multiple Choice

Find the area of a circle with a radius of 6 feet.

• 18.84 ft²

• 37.68 ft²

• 113.04 ft²

• 452.16 ft²

Multiple Choice

Find the area of a circle with a diameter of 28 meters.

• 43.96 m²

• 615.44 m²

• 87.92 m²

• 2461.76 m²

Area of Semicircles

• Find the area (  $\pi r^2$  ) and divide by 2.

• Find the area of the semicircular orchestra pit.

Multiple Choice

Find the area.

• 25.12 m²

• 50.24 m²

• 12.56 m²

• 20.56 m²

Multiple Choice

Find the area.

• 15.7 yd²

• 19.625 yd²

• 7.85 yd²

• 9.8125 yd²

Multiple Choice

Find the area.

• 34.54 cm²

• 379.94 cm²

• 189.97 cm²

• 44.54 cm²