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Ostrovityanka [42]
3 years ago
12

Can you help me with this please. 4)5)6)7)8)9)10)​

Mathematics
1 answer:
postnew [5]3 years ago
5 0
Answer:4






Explanation:
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Step-by-step explanation:

When a circle is inscribed in a cylinder, the height of the cylinder is equal to the diameter of the sphere and the radius of the cylinder is same as that of the sphere.

Let the radius of sphere is r.

height of cylinder, h = 2r

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Surface area of sphere, A = 4πr²

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