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The following formula gives the area of a circle, A, dependent on its radius, r. A = πr² solve the equation for the variable r.

The following formula gives the area of a circle, A, dependent on its radius, r. A = πr² solve the equation for the variable r.
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The following formula gives the area of a circle, A, dependent on its radius, r.

A = πr²

solve the equation for the variable r.

asked
User Elementenfresser
by
8.8k points

1 Answer

1 vote

Answer:

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

Explanation:

A=pi*r^2

r^2=A/pi

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

answered
User Juned
by
7.9k points
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