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Volume and Surface Area of Solid Figures

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  1. What will be the surface area of the sphere having 4 cm radius ?
    1. 64π sq cm

    2. 69π sq cm
    3. 32π sq cm
    4. 35π sq cm
Correct Option: A

Required surface area = 4πr2
= 4 x π x 42 = 664π sq cm


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