Math, asked by ridhima1529, 1 year ago

the surface area of a sphere is 5544cm square find its diameter

Answers

Answered by soniaagarwal611

Surface area of sphere= 4πr²=5544cm²

⇒πr²=5544÷4

⇒πr²=1386

⇒22/7r²=1386

⇒r²=63×7

⇒r=3×7

⇒radius=21cm

⇒diameter=2*radius=2*21

=42cm

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