Math, asked by sanskar1247, 5 months ago

if the edge of cube is increased by 2.5 times how much surface area will be changed
please answer​

Answers

Answered by urmika2403
0

Answer: 31.5x²

Step-by-step explanation:

Let original edge of cube be x.

Original surface area = 6x²

New edge = 2.5x

So, new surface area = 6 × (2.5x)²

                                    = 6 × 6.25x²

                                    = 37.5x²

Change in surface area = 37.5x² - 6x² = 31.5x²

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