Question

A right circular cylinder just encloses a sphere of radius 10cm i. find surface area of the sphere ii. Curved surface area of cylinder.

Answer 1

Answer:

the area of circle are 314.2857143 and for curved surface area of cylinder are 6285.714286

Step-by-step explanation:

i) the area of circle = πr²

                               = 22/7 x 10²

                               = 314.2857143

ii)Curved surface area of cylinder = πr² (r + t)

                                                        = 314.2857143 ( 10 + 10)

                                                        = 314.2857143 (20)

                                                        = 6285.714286

Answer 2

Step-by-step explanation:

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