Answer:

2 units I think soo 2 units

Verified answer

According to the question,

Area of circle = Perimeter (Circumference) of circle

[tex]Or, \pi{r}^{2} = 2\pi \: r \\ Or, \frac{\pi{r}^{2}}{\pi \: r} = 2 \\ Or,r = 2 \: units[/tex]