Area and Circumference of Circles

Find the circumference of the circle in the image.

• 10π

• 20π

• 100π

• 20

Tags

CCSS.7.G.B.4

What is the area of the circle in the image?

• 10

• 20π

• 100

• 100π

Tags

CCSS.7.G.B.4

What is the circumference of the circle in the image?

• 6

• 6π

• 12π

• 36π

Tags

CCSS.7.G.B.4

Find the approximate area of the circle in the image.

• 63.585 square inches

• 81 square inches

• 20.25 square inches

• 254.34 square inches

Tags

CCSS.7.G.B.4

What is the Area Formula for a Circle?

• A = $\pi$ * r * r

• A = $\pi$ * d

• A = 2 * $\pi$ * r

Tags

CCSS.7.G.B.4

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.7.G.B.4

Fill in the blank. The circumference of a circle is the ________.

• distance around it

• space inside it

A circle has an area of 36π. What is the circumference of the circle?

• 18π

• 12π

• 6π

• 36π

Tags

CCSS.7.G.B.4

What is the diameter of the circle in the image?

• 10

• 20π

• 20

• 100

Tags

CCSS.7.G.B.4

What is the formula for finding the area of a circle?

• 
• 

Tags

CCSS.7.G.B.4