Area and Circumference of Circles Review

Find the area of the circle below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

What is the area of a circle with a diameter of 12cm?

• 452.39cm²

• 139.12cm²

• 113.1cm²

• 84.23cm²

Tags

CCSS.7.G.B.4

Match the formulas to the measurements indicated.

• 2r

• To find the radius of the circle use:

• To find the area of a circle use:

• d/2

• To find the diameter of a circle use:

• To find the circumference of a circle use:

Tags

CCSS.7.G.B.4

A circular mirror has a 2 inch frame around it. The mirror itself is 8 inches in diameter. What is the area of the frame? Use 3.14 for pi.

Tags

CCSS.7.G.B.4

Identify the parts of the circle and show how you would find the area and circumference.

Groups:

(a) radius

,

(b) diameter

,

(c) circumference

,

(d) area

Tags

CCSS.7.G.B.4

Find the area of a circle with a diameter of 12 cm.

• 36π cm²

• 113.04 cm²

• 144π cm²

• 452.16 cm²

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4