Surface area of sphere $r=7$ (use $\pi=22/7$) =

Surface area of sphere $r=7$ (use $\pi=22/7$) =
  1. $616$ sq units
  2. $308$ sq units
  3. $1232$ sq units
  4. $154$ sq units

Solution

$4(22/7)(49)=616$.

Asked in: MH-SSC-9

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