SOLUTION: if the length of the diameter of a sphere is 216 how many square units is it surface area rounded to the nearest whole number

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Question 968734: if the length of the diameter of a sphere is 216 how many square units is it surface area rounded to the nearest whole number
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
A=4pi%2Ar%5E2
and
d=2r

The only variables you do not know are A and r. Find r very easily from formula for diameter d.