Length breadth and height of a rectangular box are in the ratio 4 is to 3 is to 2 the total surface area of the box is 2548 centimetre square find its Length breadth and height
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hey mate here is the ans. to ur question
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let length,breadth and height of rectangular box be 4x , 3x and 2x
T.S.A of the box = 2( lb + bh + hl) = 2548
2(4x × 3x + 3x × 2x + 2x × 4x) = 2548
12x^2 + 6x ^2 + 8x^2 = 2548/2
26×^2 = 1274
x^2 = 49
x = 7
length = 4 ×7 = 28cm
breadth = 3× 7 = 21cm
height = 2×7 = 14 cm
hope it helps you mate.
T.S.A of the box = 2( lb + bh + hl) = 2548
2(4x × 3x + 3x × 2x + 2x × 4x) = 2548
12x^2 + 6x ^2 + 8x^2 = 2548/2
26×^2 = 1274
x^2 = 49
x = 7
length = 4 ×7 = 28cm
breadth = 3× 7 = 21cm
height = 2×7 = 14 cm
hope it helps you mate.
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