Question

please answer this question ​

Answer 1

Answer:

9856 cm²

Step-by-step explanation:

Surface area of a sphere = 2464cm

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

= 9856cm²

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Answer 2

Step-by-step explanation:

If the radius will be doubled then the new radius will be 2r

4π(2r)²= 2464 cm²

If the radius will be doubled then the new radius will be 2rThen the new TSA will be

4π(2r)²= 2464 cm²

4π4r²=2464

4πr²= 2464×4

4πr²= 2464×4=9856cm²

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