Question

what is the formula of circular ring​

Answer 1

Answer:

Here we will discuss about the area of a circular ring along with some example problems. Therefore, the area of a circular ring = π(R + r) (R - r), where R and r are the radii of the outer circle and the inner circle respectively.

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Answer 2

Answer:

Hey Your Answer is Here!

The area of a circular ring bounded by two concentric circle of radii R and r (R > r)

= area of the bigger circle – area of the smaller circle

= πR2 - πr2

= π(R2 - r2)

= π(R + r) (R - r)

Therefore, the area of a circular ring = π(R + r) (R - r), where R and r are the radii of the outer circle and the inner circle respectively.

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