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A hall is 15 m long & 12 m broad.if the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls,the volume of the

hall is


L=15,b=12 A/Q, 2×lb=2h(l+b) =15×12=h(15+12) =180/27=h h=6.67m V=l×b×h =1200m³(use h= 180/27)
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it would be better if you could write one line per step.
I try .I do change lines in my answers but when I post them it turns out to be so. Dunno maybe because I operate from my mobile only......
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