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A rectangular solid has length, width, and height of \(L\, cm, W \, cm,\) and \(H \, cm,\) respectively. If these dimens

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by Vincen » Sun May 23, 2021 12:43 pm

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A rectangular solid has length, width, and height of \(L\, cm, W \, cm,\) and \(H \, cm,\) respectively. If these dimensions are increased by \(x\%, y\%,\) and \(z\%,\) respectively, what is the percentage increase in the total surface area of the solid?

(1) \(L, W,\) and \(H\) are in the ratios of \(5:3:4.\)
(2) \(x = 5, y = 10, z = 20.\)

Answer: C

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