alopez8594 alopez8594

09-04-2018
Mathematics

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When the radius of a circle is multiplied by a factor of 3, by what factor will the area of the circle change? The area of a circle with radius 3 is x times big as the area of a circle with radius of 1

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Аноним Аноним

09-04-2018

Factor of area = (factor of radius)²

Factor of area = (3)²

Factor of area = 9

Answer: The area of a circle with radius 3 is 9 times bigger than the area of a circle with radius 1.

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