bellamaldo25
bellamaldo25 bellamaldo25
  • 24-12-2020
  • Mathematics
contestada

the following formula gives the area of a circle, A, dependent on its radius, r.

A = πr²

solve the equation for the variable r.

Respuesta :

Yang100
Yang100 Yang100
  • 24-12-2020

Answer:

sqrt(A/pi), -sqrt(A/pi)

Step-by-step explanation:

A=pi*r^2

r^2=A/pi

r=sqrt(A/pi), -sqrt(A/pi)

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