3. What is the area of a circle with a radius of 5 cm? A=

NPras asked Mar 21, 2023

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NPras asked Mar 21, 2023

by NPras

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15 votes

Area of a circle

We know that the area of a circle can be calculated using the following formula:

Area = π r²

where r: radius

Replacing r = 5 cm, we have:

$\begin{gathered} \pi r^2=\pi(5cm)^2 \\ Area=\pi\cdot25cm^2 \\ Area=25\pi cm^2\cong78.54\operatorname{cm}^2 \end{gathered}$

AHelps answered Mar 26, 2023

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