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25 August, 20:58

Let A=total area of five circles of radius r, and let B = total area of three circles of radius s. If A=B, then r/s=

A) 3/5

B) ✔️3/✔️5

C) 3 pi/5

D) ✔️3pi/✔️5

E) ✔️3✔️5pi

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Answers (1)
  1. 25 August, 21:06
    0
    Total area of five circles of radius r is 5pi r^2

    Total area of three circles of radius s is 3pi s^2

    If A = B, then 5pi r^2 = 3pi s^2

    r^2 / s^2 = 3/5

    Therefore r/s = sqrt (3) / sqrt (5)
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