Math, asked by jyotidynamics, 2 months ago

the circumference of a circle whose area is 81 pie 2

Answers

Answered by Ruchi332

Answer:

Divide both sides by π and we are left with r2=81. Take the square root of both sides to find r=9. The formula for the circumference of the circle is 2πr = 2π(9) = 18π. The correct answer is 18π.

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