Question

Circles

[Pic]
area: about $$□\square□ mm^{2}$$

From the figure, the circle has a radius of $$r=9 mm$$. Therefore: $$A=\pi r^{2} =3.14(9)^{2} =3.14(81) =254.34$$
The area is then about $$\displaystyle{254}{m}{m}^{{{2}}}$$.