Surface area of hemisphere of radius $7$ cm (TSA, $\pi=22/7$) =

Surface area of hemisphere of radius $7$ cm (TSA, $\pi=22/7$) =
  1. $462$ cm²
  2. $308$ cm²
  3. $616$ cm²
  4. $154$ cm²

Solution

$3(22/7)(49)=462$.

Asked in: MH-SSC-9

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