Question

I need help please! Picture below

Answer 1

The correct answer would be A

Answer 2

Answer:

The answer is A

Step-by-step explanation:

A * 2 = 1/2πr^2 * 2

2A / π = πr^2 / π

$\sqrt{\frac{2a}{\pi } }$= $\sqrt{r^2}$

So, the answer is A because r = $\sqrt{\frac{2a}{\pi } }$