Mensurationeasy · Past Paper
The area of the four walls of a room with length 'l', breadth 'b', and height 'h' is given by:
A2(lb+bh+lh)
B2h(l+b)
Clbh
Dl+b+h
✓ Correct Answer: B — 2h(l+b)
The area of four walls is the lateral surface area of the cuboid room, which is 2h(l+b).
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