The length,breadth and height of hall is 14m , 9m, and 7m respectively .find the area of floor
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area of floor = 2( l + b ) * h
2 ( 14 + 9 ) * 7
2 * 23 * 7
322 cm ^2
2 ( 14 + 9 ) * 7
2 * 23 * 7
322 cm ^2
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