PaintingOnTheWall PaintingOnTheWall

17-12-2021
Mathematics

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A circle with an area of 1444 cm²

What is the radius?

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loneguy loneguy

17-12-2021

[tex]\text{Area of circle} = \pi r^2\\\\\implies 1444 = \pi r^2\\\\\implies r^2 = \dfrac{1444}{\pi}\\\\\implies r = \sqrt{\dfrac{1444}{\pi}} = \dfrac{38}{\sqrt{\pi}} =21.43 ~ \text{cm}[/tex]

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