If surface area of sphere is 394.24 find its radius
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394.24=4πr^2
394.24÷4=22÷7*r^2
98.56*7÷22=r^2
31.36=r^2
r=√31.36
r=5.6
394.24÷4=22÷7*r^2
98.56*7÷22=r^2
31.36=r^2
r=√31.36
r=5.6
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