Question

A petrol tank is a cylinder of base diameter 28 cm and lenght 24cm filted with conical ends each of axis lenght 9cm. Determine the capacity of the tank.

Answer 1

You may go through the above

Answer 2

Answer:

18463.16 cubic.cm.

Step-by-step explanation:

A petrol tank is in the shape of cylinder with two conical ends .

So, Volume of Tank = Volume of cylinder +Volume of 2 cones

Diameter of cylinder = 28 cm

Radius = Diameter /2 = 28/2 = 14 cm

Height of the cylinder = 24 cm

Volume of cylinder = $\pi r^2 h$

                                = $3.14 \times 14^2(24)$

                                = $14770.56cm^3$

Radius of cone = 14 cm

Height of cone = 9 cm

Volume of cone = $\frac{1}{3} \pi r^2 h$

                           = $\frac{1}{3} \times 3.14 \times 14^2 (9)$

                           = $1846.32cm^3$

Volume of 2 cones = $1846.32\times 2=3692.6 cm^3$

Volume of tank = 14770.56+3692.6 = 18463.16 cubic.cm.

Hence the capacity of the tank is 18463.16 cubic.cm.