Question

find the T.S.A of a hemisphere of radius 3.5cm​

Answer 1

Radius = 3.5cm

T.S.A. of Hemisphere =

$=3\pi {r}^{2} \\ =3 \times \frac{22}{7} \times 3.5 \times 3.5 \\ =3 \times 22 \times 0.5 \times 3.5 \\ =66 \times 0.5 \times 3.5 \\ =33 \times 3.5 \\ =115.5 {cm}^{2}$
.
.
.
.
.
Pls. mark as BRAINLIEST