If the surface area of a sphere is 9856 cm2. find its diameter
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Answered by
3
TSA of sphere = 9856
=> 4 * pi *r^2 = 9856
=> 4* 22* r^2 / 7 = 9856
=> 88r^2 = 9856 *7
=> r^2 = 9856 *7 / 88
=> r^2 = 112*7
=> r^2 = 784
=> r = 28 cm
Diameter = 56 cm
=> 4 * pi *r^2 = 9856
=> 4* 22* r^2 / 7 = 9856
=> 88r^2 = 9856 *7
=> r^2 = 9856 *7 / 88
=> r^2 = 112*7
=> r^2 = 784
=> r = 28 cm
Diameter = 56 cm
Answered by
1
56cm is the diameter.
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