Question

Find the volume cylinder with radius 2.3cm and height of 4.8cm

Answer 1

Answer:

$\pi{r}^{2} h = formula \: for \: the \: volume \: of \: cylinder \\ r = 2.3cm \\ h = 4.8 \\ \pi = \frac{22}{7} \\ substituting \: in \: the \: formula \\ \frac{22}{7} \times 2.3 \times 2.3 \times 4.8 \\ = 22 \times 2.3 \times 2.3 \times 0.6 \\ = 69.828 {cm}^{3}$

The answer is 69.828cm^3

Answer 2

Answer:

(given)

Radius = 2.3cm

height = 4.8cm

$volume \: of \: cylinder = \pi \: r ^{2}h$

$= \frac{22}{7} \times 2.3 \times 2.3 \times 4.8$

$= \frac{22}{7} \times \frac{23}{10} \times \frac{23}{10} \times \frac{48}{10}$

$= 79.80cm ^{3}$

$henc e \: the \: volum e \: of \: ciylinder \: is \: 79.80cm ^{3}$