The whole surface of a rectangular block is 1300 CM square find its volume if their dimensions are are in the ratio
of 4:3:2
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Let the length, breadth and height of the rectangular box be 4x, 3x and 2x, respectively.
∵ Total surface area = 1300 cm2 2(4x × 3x + 3x × 2x + 4x × 2x) = 1300
52x2 =1300x2 = 25x = 5
∴ Volume of rectangular box = 4x × 3x × 2x = 24(5)2 = 3000 cm3
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