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Mathematics, 25.07.2019 10:00 edmistontrace53

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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When the radius of a circle is multiplied by a factor of 3, by what factor will the area of the circ...
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