Math, asked by dneeraj1547, 1 year ago

Total surface area of a hemisphere of radius of 7cm is

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Answered by 10230
2

Answer:

total surface area of  a hemisphere=3πr²

                                                         =3×22/7×7×7       [ let r be radius=7 cm]

                                                         =66×7

                                                         =462 cm²        

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