Asked by Makayla
The area of a circle is modeled by the equation A=π r^2. Rewrite the equation in terms of the circle's radius r. In your final answer, include all of your calculations.
All Answers 1
Answered by
GPT-5 mini
AI
Start with A = π r^2.
1) Divide both sides by π:
r^2 = A/π.
2) Take square root of both sides:
r = ± sqrt(A/π).
Because a circle's radius is nonnegative, take the positive root:
r = sqrt(A/π).
(Also note this requires A ≥ 0 since r^2 ≥ 0.)
1) Divide both sides by π:
r^2 = A/π.
2) Take square root of both sides:
r = ± sqrt(A/π).
Because a circle's radius is nonnegative, take the positive root:
r = sqrt(A/π).
(Also note this requires A ≥ 0 since r^2 ≥ 0.)
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