Question

An open rectangular tank is made of iron 2.5cm thick . When measured from outside,it is 1m 25cm long, 1m 5cm broad and 90 cm deep.
Find:(i) the capacity of the tank
in liters;
(ii) the volume of iron used;
(iii) the total surface area of
the tank.

Answer 1

2nd question answer is 2362.5m^3