Circumference of a Circle Area

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm

• 43.98 cm

• 87.96 cm

• 7 cm

Find the circumference of a circle with a radius of 13.5 mm.

• 37.68mm

• 18.84mm

• 84.78 mm

• none of the above

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?   Use C=2πr
Pi = 3.14

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in 

What is the area of a circle with a radius of 3?
Use A=πr²

• 9π

• 5π

• 91π

• 34π

What is the radius of this circle?

• 18

• 10

• 9

• 8

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Brian made a tasty burger. The diameter of the
burger was 5 cm. What is the radius of the circle?

• 15.7 cm

• 10 cm

• 2.5 cm

• 31.4 cm

Find the area of the circle.  Use Use A=πr² 
Pi = 3.14

• 43.96

• 153.86

• 87.82

• 307.72

What is the radius?

• 18

• 72

• 38

• 14

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7