circumference and area of circle

If the diameter of a circle is 4, what is the radius?

• 4

• 2π

• 4π

• 2

Tags

CCSS.7.G.B.4

If r = 4, d = ?

• 4

• 2

• 8

• 8π

Tags

CCSS.7.G.B.4

If d = 3, r = ?

• 6

• 3

• 1.5

• 1

Tags

CCSS.2.MD.A.2

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?

• 9π

• 12π

• 12

• 36π

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

What does π equal?

• 3

• 3.14

• 3.2

• 21/7

Tags

CCSS.HSG.GMD.A.1

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

Fill in the blank. The radius of a circle is equal to _________ its diameter.

• half

• twice

• the square of

Tags

CCSS.7.G.B.4

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

• distance around it

• space inside it