the length of a hall is 20 m and width 16 m. the sum of the areas of floor and flat roof is equal to the sum of areas of floor walls. find the volume .
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the length of a hall is 20 m and width 16 m. the sum of the areas of floor and flat roof is equal to the sum of areas of floor walls. find the volume .
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Answer:
you have to use the formula of perimeter which is perimeter =2×( l+b)
perimeter =2×(20+16)
perimeter =2×36
perimeter = 72
so the volume is 72