Question

Length of a rectangular tank is twice its breadth. If the

depth of the tank is 3 m and area of its four walls is 108m2

, find the

length of the tank.

Answer 1

let length be p and breadth be 2p
area of 4 wall =2(length+breadth)×height
=>2(p+2p)×3=108
=>2×3p×3=108
=>18p=108
p=108÷18
p=6 cm
Length =6cm and breadth =12 cm
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Answer 2

Answer:

Step-by-step explanation:=2(length+breadth)×height

=>2(p+2p)×3=108

=>2×3p×3=108

=>18p=108

p=108÷18

p=6 cm

Length =6cm and breadth =12 cm