Question

the area of four walls of a room is 144 metre square the. breadth and height of a room is 8m and 6m .what is the length of the room
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Answer 1

Answer:

length = 4m

Step-by-step explanation:

area of four walls = 2h(l + b)

therefore 12(l+b) = 144

l+b= 12

l+8=12

l =12-8

l=4m

Answer 2

1. area of four wall=144(given).
2. we know that area of four wall =2(l+b)h
3. 144=2(l+8)6
4. 144/2*8*6=l
5. l=1.5