Question

Radius and height of a cylinder are $10\text{cm}$ and $12\text{cm}$ respectively. Find total surface area of the cylinder. $(\pi =3.14)$

Answer 1

Total surface area of cylinder$=2\pi \times r(r+h)$

$=2\times 3.14\times 10(10+12)$

$=62.8\left(22\right)$

$=1381.6{cm}^2$