Question

The total surface area of a hemispherical solid having radius 7cm
is :
​

Answer 1

Answer:

GIVEN,

RADIUS = 7CM

TOTAL SURFACE AREA OF SOLID HEMISPHERE =

\begin{lgathered}= 3\pi {r}^{2} \\ = 3\pi {7 }^{2} \\ = 3 \times \frac{22}{7 } \times 49 \\ = 3 \times 22 \times 7 \\ = 462\end{lgathered}=3πr2=3π72=3×722×49=3×22×7=462