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45 votes
45 votes
what is the diameter of a circle with a circumference of 84.78 inches?use 3.14 for pi,show your work please

User Dgmstuart
by
2.8k points

1 Answer

6 votes
6 votes

Answer:

27 inches

Explanation:

the formula for the circumference is 2 × pi × r

so: 2 × pi × r = 84.78

so 84.78/2pi = r

r = 13.5

we want the diameter which is 2 x r

so the diameter is 27

User ArtBindu
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2.8k points