give me all formulae of area related circle

Answers (1)
S safeer
  • Circumference of a circle =2\pi r.

  • Area of a circle =\pi r^2.

  • The area of a sector of a circle with radius'r'and angle with degree measure\thetais \frac{\theta }{360}\times \pi r^2.

  • Length of an arc of a sector of a circle with radius'r'and angle with degree measure\thetais\frac{\theta }{360}\times 2\pi r

  • Area of the segment of a circle= Area of the corresponding sector – Area of the corresponding triangle.

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