Circumference and Area

What is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

What is the formula for area of a circle?

•  π×r²

• = 2×π×r

What is the formula for Circumference?

• C = π×r²

• C = 2×π×r

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

• 615.44

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What is the circumference?

• 48

• 96

• 24

• 18

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Daniel wants to buy cookies for his friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in