Question

(11) What is the radius of the sphere whose surface area is numerically equal to its
volume?​

Answer 1

Answer:

Step-by-step explanation:

let the radius be 'r'

surface area of the sphere is = 4πr2

volume of the sphere is = 4/3πr3

as they are numerically equal,

                                  4/3πr3 = 4πr2

                                       1/3rcube = r square

                                          1/3 = r

                                            r = 3

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