Area and Circumference

What is the circumference of a circle with a diameter of 56 m?

• 175.8 m

• 176.8 m

• 165.8 m

• 186.8 m

What is the area of this circle?

• 1256.64 in²

• 31.41 in²

• 314 in²

• 62.8 in²

A circle has a diameter of 17 inches. What is the area?

• 26.69 in²

• 226.87 in²

• 72.25 in²

• 53.38 in²

Find the area.

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

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

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

How many square feet is the area of the pool?

• 693 ft²

• 346.5 ft

• 65.94 ft²

• 346.2 ft²

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

What is the formula for finding the circumference of a circle?

• C = r²

• C = rd

• A = π·r²

• C = π·d

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1