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A circle has a radius of r inches. The area of a circle is given by A=πr2. Identify the equation(s) that represent the radius of the circle.

Respuesta :

Answer:

r=pi/a^2

Step-by-step explanation:

altavistard

Answer:

r = √[A / π]

Step-by-step explanation:

Actually, it's A = π · r²                          or A = πr^2.

Solving this for r, we get:    r^2 = A / π, and so r = √[A / π]

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