Finding Diameter Radius Circumference

What is the diameter?

• 8

• 16

• 10

• 4

What is the radius?

• 18

• 72

• 38

• 14

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

The circumference of a circle is 37.68 yds. What is the diameter? Use 3.14 for Pi.

• 118.3 yds

• 6 yds

• 12 yds

• 59.5 yds

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

what is the formula for finding diameter (a)  

• r = 2 d

• d = 2 r

• a = m c²

  c = π 2 r

  If the circumference of a circle is 69.08 ft, what is the DIAMETER?

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