Circumference, Area, Radius, Diameter

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

How much fencing is required to enclose a circular garden whose radius is 19 m? Use 3.14 for pi. Only type the number for your answer.

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 all of the radii

• JC, KC, KH, HC

• JO, KO, CO, HO

• JC, KO, KH, HO

• JK, KC, CH, HJ

Name the diameter.

• JO

• GO

• QG

• JG

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

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

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What is the diameter?

• 8

• 16

• 10

• 4