Question

what is total surface area of a solid hemisphere of raduis r​

Answer 1

Answer:

T.S.A of hemisphere =

$3\pi \: r {?}^{2}$

Answer 2

Answer:

total surface of hemisphere =

$2\pi {r}^{2}$

Step-by-step explanation:

As total surface are of sphere =

$4\pi \:{r}^{2}$

then total surface area of hemisphere=

$1 \div 2 \: 4\pi \: {r}^{2}$