Find the radius of a circle with an area of 380 square inches

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01-06-2018
Mathematics

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Find the radius of a circle with an area of 380 square inches

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jdoe0001 jdoe0001 · Answer 1 · 2018-06-01T21:11:54+02:00

jdoe0001 jdoe0001

01-06-2018

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ -----\\ A=380 \end{cases}\implies 380=\pi r^2 \\\\\\ \cfrac{380}{\pi }=r^2\implies \sqrt{\cfrac{380}{\pi }}=r[/tex]

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