Mathematics The radii of two circle are 8 cm and 6 cm find the radius of the circle having an area equal to the sum of areas of two circles.

 The radii of two circle are 8 cm and 6 cm find the radius of the circle having an area equal to the sum of areas of two circles.


  1. A
      12
  2. B
      18
  3. C
      10
  4. D
      17  

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    Solution:

    We have radius (r1) = 8 cm
    radius  (r2) = 6 cm
    Area of circle = πr2
    Area of circle1 =   Area of circle2 =   Total area Let us consider that radius of third circle = R
    Area of circle third circle = π R2  
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