Question

The area of 4 wall of a room is 120m .If the length of the room is twice its breadth and the height is 4m .Find the area of the floor.

Answer 1

Answer:

Step-by-step explanation:

Let breadth be x

And length=2x

Height=4m

Area of four walls of a room= 2{(l+b)×h}=120

2{(x+2x)×4}=120

3x×4=120÷2

12x=60

x=5m

Length=2×5=10m

Breadth=5m

Area of floor=length×breadth=10×5=50m^2

Ans 50m^2

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