The surface area of sphere is 2464 sq.cm. find its radius.
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Answer:
4pir²=2464
4×22/6×r²=2464
r²=2464×7/4×22
Step-by-step explanation:
cut 2464 by 4 and 22 then multiply with 7 =
308×7÷11= 196 = 14
Similar questions
2
(Given)
4πr
2
= 2464
If the radius is doubled,then new radius is 2r
Now,
Surface area of a sphere with radius 2r = 4π(2r)
2
= 4×4πr
2
= 4×2464
= 9856cm
2