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in Perimeter and Area by (46.9k points)
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If the side of a square is tripled, how many times will its area be as compared to the area of the original square?

1 Answer

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Best answer

Let the side of the square be a. 

∴ Area of a square = (side)2 = a2 New side of the square = 3 × a = 3a 

∴ New area of the square = (3a)2 

= 9a2

= 9 × area of original square 

∴ If the side of a square is tripled, its area will become 9 times the area of the original square.

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