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nadya68 [22]
3 years ago
10

Find the diameter of the circle with the given circumference use 3.14 C=18

Mathematics
1 answer:
algol [13]3 years ago
3 0
The formula for the circumference of a circle is pi * r * 2

First we solve for r (the radius)
pi*r*2 = C
pi*r*2 = 18

Divide 18 by 2
pi*r = 9

Then divide 9 by 3.14
pi= 9/3.14 which is 2.866

The diameter is 2 times length of the radius so multiply 2.866 by 2
The diameter is about 5.732
(And you can round of course)

Hope that helped
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