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The radius of a circle is 38 cm What is the area of this circle? 8322.13 1134.11 4536.46 1267.09
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The radius of a circle is 38 cm What is the area of this circle? 8322.13 1134.11 4536.46 1267.09

User Michael Allan
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Given that the radius is 38 cm, then we have the following using the formula for the area of the circle:


\begin{gathered} A=\pi\cdot r^2 \\ r=38 \\ \Rightarrow A=(3.1416)\cdot(38)^2=4536.47 \\ A=4536.47\operatorname{cm} \end{gathered}

therefore, the area of the circle with radius r=38cm is 4536.47cm^2

User Mike DeSimone
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