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Softa [21]
3 years ago
11

The circumference of heileen’s basketball is 30 inches. What is the approximate diameter of the basketball?

Mathematics
2 answers:
Gnom [1K]3 years ago
7 0

Answer:

d = 9.554 inches.

Step-by-step explanation:

Formula

C = 2*pi*r

r = the radius

C = the Circumference.

Givens

Circumference = 30 inches.

pi = 3.14

Solution

C = 2*pi * r

30 = (2*r) * 3.14      (you'll see why I've done that in a minute. Divide by pi.

30/3.14 = 2*r

9.554 = 2r

The diameter of the basketball = 2 * radius. So the answer for the diameter = 9.554 inches.

adoni [48]3 years ago
6 0

Answer:

9.55 in

Step-by-step explanation:

The formula for the circumference of a circle (or the circum. of a basketball) is C = πd, where d is the diameter.

Here C =30 in  =  πd, so  

d = (30 in) / π

   = 9.55 in, approx.

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