Question

the total surface area of hemisphere whose radius is R by 2​

Answer 1

Step-by-step explanation:

T.S.A of a hemisphere is 3πr^2

Given, r=R/2

So,

$total \: surface \: area \\ = 3\pi( { \frac{r}{2} })^{2} \\ = \frac{3}{4} \pi {r}^{2}$

Answer 2

Hyy Dude

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