jbrown5689 jbrown5689

13-11-2019
Mathematics

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Calculate the area of a circle with a diameter of 12 cm

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jdoe0001 jdoe0001

13-11-2019

we know its diameter is 12, thus its radius must be half that, or 6.

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=6 \end{cases}\implies A=\pi 6^2\implies A=36\pi \implies A\approx 113.097[/tex]

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