Question

If (L + 20)m = (B + 10)m = (H + 5)m = 40m, then the area of 4 walls of the room is​

Answer 1

Step-by-step explanation:

The length of the room =l

The breadth of the room =b

The height of the room =h

Therefore, the area of four walls will be

=2×(lh+bh)

=2(l+b)h

Hence, this is the answer.

Answer 2

Answer:

Therefore, The area of four wall = 2 (LB + BH)

you try to solve this sum in this formula

Then, your answer is obtained.

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