Question

to find the length of the tank when lenghth of a rectangular tank is twice its breadth .if the depth of the tank is 3m and area of its four walls is 108 sq.m.

Answer 1

Answer:

Step-by-step explanation:

Let length = x and breadth be 2x

Area of 4 wall = 2(l+b)×h

2(x+2x) ×3= 108

2×3x×3= 108

18x= 108

x= 108/18

x= 6 m

Length = 6 m

Breadth = 12 m