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if the circumference of a round barn is 56 meters, what is the diameter of the barn to the nearest whole number? use 3.14 for pi

Respuesta :

musiclover10045

circumference = 2 x pi x r

56 = 2 x 3.14 x r

56 = 6.28 x r

r = 56/6.2

r = 8. 917

d = 8.917*2 = 17.8

diameter = 18 meters

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