Question

a tank open at the top is made of iron sheet 4m wide .if the dimension of the tank are 12m ×8m×6m .find the cost of iron sheet at rs 17.50 per metre.

Answer 1

Length:12m
Breadth:8m
Height:6m

Curved surface area=2(l+b)h
=2(12+8)6
=2(20)6
=2*20*6
=240m

Cost of iron sheet per meter=17.50
Cost of 240 meter of iron sheet=?

Cost of total iron sheet=240*17.50
=4200 Rs

Cost of iron sheet required is 4200 Rs