17-02-2018
Mathematics

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The diameter of a circle is 3 times the side length of a square . If the square has an area if 144, what is the length of the radius in the circle?

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audrey05 audrey05

17-02-2018

If the square's area is 144, then the two sides are both 12.
The diameter is 3 times the side length (12): 3*12=36
The radius is half of the diameter: 36/2=18

The radius is 18

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