Circle Circumference and Diameter

What is the circumference of a circle with a diameter of 9?

• 81pi

• 9pi

• 3pi

• 6pi

Tags

CCSS.7.G.B.4

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

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

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

Tags

CCSS.7.G.B.4

The circumference of a circle is found by using the formula C = πd or C = 2πr. If the circumference of a circle is 31.4 inches and the radius is 5 inches, how would you represent n? Complete the statements below. Diameter is calculated by ​ (a)   . Therefore, n would be represented by the ratio of ​ (b)   over ​ (c)   .​

• multiplying the radius by 2

• dividing the radius by 2

• 31.4

• 62.8

• 10

• 5

Tags

CCSS.7.G.B.4

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft

• 246.2 ft

• 365.56 ft

• 392.5 ft

Tags

CCSS.7.G.B.4

The circumference of a circle is found by using the formula C = πd or C = 2πr. If the circumference of a circle is 31.4 inches and the radius is 5 inches, how would you represent n? Complete the statements below. Diameter is calculated by ​ (a)   . Therefore, n would be represented by the ratio of ​ (b)   over ​ (c)   .​

• multiplying the radius by 2

• dividing the radius by 2

• 31.4

• 62.8

• 10

• 5

Tags

CCSS.7.G.B.4

Pi is the ratio of a circle's ​ (a)   to its ​ (b)   .

• circumference

• diameter

• radius

• center

• height

• weight

• length

• grade point average

Tags

CCSS.HSG.GMD.A.1

Pi is the ratio of a circle's ​ (a)   to its ​ .

• circumference

• diameter

• radius

• center

• height

• weight

• length

• grade point average

Tags

CCSS.HSG.GMD.A.1

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl, in centimeters? (Use 3.14 for pi and enter an answer to the nearest hundredth)

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4