Question

length of a rectangular tank is twice its breath. if the depth of the tank is 3cm and area of its four walls is 108square ,find length of tank

Answer 1

Answer:

Step-by-step explanation:

Let length be x and breadth be 2x respectively

Area of 4 wall= 2(l+b)×h

= 2(x+2x)×3= 108

=2×3x×3= 108

= 18x =108

x = 108/18

x = 6 cm

Length = 6 cm

Breadth = 12 cm