Question

the surface area of sphere is 5549 square centimetre. what is the radius of sphere?
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Answer 1

S. A. =4πr^2

5549=4×22/7×r^2

5549×7/4×22=r^2

38843/88=r^2

√144.39=r^2

21.00=r

Answer 2

this is the answer and is approximate