Question

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

Answer 1

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