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:
[tex]\begin{gathered} \pi r^2=\pi(5cm)^2 \\ Area=\pi\cdot25cm^2 \\ Area=25\pi cm^2\cong78.54\operatorname{cm}^2 \end{gathered}[/tex]