Question:medium

If each edge of a cube is increased by 50%, find the percentage increase in its surface area.

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For any 2D area proportional to the square of a linear dimension, if the linear dimension scales by a factor \(k\), the area scales by \(k^2\). Here, \(k = 1.5\), so the area scales by \(1.5^2 = 2.25\), which is a \(125%\) increase.
Updated On: May 9, 2026
  • 125
  • 150
  • 175
  • 110
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The Correct Option is A

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