Find the volume of a sphere if itd surface area is 154 sq .cm.​

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Find the volume of a sphere if itd surface area is 154 sq .cm.​

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2 thoughts on “Find the volume of a sphere if itd surface area is 154 sq .cm.​”

  1. Step-by-step explanation:

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    Surface area of a sphere=4πr2=154cm2

    ⇒4×722r2=154cm2

    ⇒r2=4154×227

    ⇒r2=449

    ⇒r=449

    ∴r=27=3.5cm

    Volume of the sphere=34πr3

    =34×722×(3.5)3

    =2188×42.875‬=179.67cm3

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