The length,breath and height of the hall is 16m,9m,and 7m respectively. Find the area of the floor.
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Area of the floor= 2(LB+ BH+ HL).
= 2( 16×9 + 9×7 + 7×16 )
= 2( 144 + 63 + 112)
= 2( 319 )
= 238
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