Answer:Length if tank=12m
Step-by-step explanation:
Dimension of tank is 12m by 8m by 5m
Which is length × breadth × heigh
Answer: 74m
Step-by-step explanation: Area of sheet required for making the tank = total surface area of tank with one top open, this is
L×b+2(L×h+b×h)=12×8+2(12×5+8×5)=296m.
B of sheet =4m
L×B=296
B=4m already given.
L=296/4=74m
Length of sheet =74m
