Respuesta :
Answer:
Step-by-step explanation:
I take it the n is meant to represent pi.
A = pi r^2 Divide both sides by pi
A/pi = pi r^2 / pi
P / pi = r^2
Answer:
A/n = r^2
Step-by-step explanation:
A = nr^2
Divide each side by n
A/n = n r^2/n
A/n = r^2