How to find the radius of a circle with the area given

Question

Mathematics

Kaia Pearson

31 December, 17:08

How to find the radius of a circle with the area given

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Answers (1)

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Jolie Sawyer · Answer 1

Answer:r=√ (a/π)

Step-by-step explanation:

Area (a) = π x (radius (r)) ^2

a=π x r^2

Divide both sides by π

a ➗ π = (πxr^2) ➗ π

a/π=r^2

Take the square root of both sides we get √ (a/π) = r

Therefore r=√ (a/π)