Circle Circumference Area Radius Diameter

Find the area of this circle. Use 3.14 for pi. Only type the number.

Find the area of this circle. Use 3.14 for pi. Only type the number.

Name the diameter.

• JO

• GO

• QG

• JG

Find the length of the diameter. Only type the number.

The radius of a circle is 5 cm. 3x+7 represents the length of the diameter. Write an equation for x.

• 3x+7=5

• 3x+7=10

• 3x+7=7

• 3x+7=2.5

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

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

If my radius is 2 yd what is the circumference?

• 4 yd

• 1 yd

• 12.56 yd

• 6.28 yd

If my diameter is 90cm, what is my circumference?

• 282.6 cm

• 180 cm

• 90 cm

• 565.2 cm

If my circumference is 163.28ft, what is my radius?

• 52 ft

• 26 ft

• 3.14 ft

• 163.28 ft

A pan size pizza has a circumference of 37.68 inches. Find the area the pizza covers.