Circle Circumference and Area Practice Problems

The radius is 8 inches.  What is the circumference?

• 50.24 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches

Tags

CCSS.7.G.B.4

A circle as a circumference of 36π meters. What is the radius of the circle?

• 36 meters

• 6 meters

• 12 meters

• 18 meters

Tags

CCSS.7.G.B.4

MUST DO: What is the approximate area of the circle above?

• 44 inches squared

• 154 inches squared

• 616 inches squared

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π

• C = 2π15

• c = 15 ÷ π

• c = 15 π

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

Tags

CCSS.7.G.B.4

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.

• 8 in.

• 12 in.

• 16 in.

Tags

CCSS.7.G.B.4

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

• A line from the center to the side.

How do you find the radius?

• π*2

• d/2

• π*r

• I do not know

Tags

CCSS.7.G.B.4

If r = 4, d = ?

• 4

• 2

• 8

• 8π

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 12cm

• 6cm

• 24cm

• 3cm

Tags

CCSS.7.G.B.4