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The radii of two circles are 19 cm and 9 cm respectively. find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles.

The radii of two circles are 19 cm and 9 cm respectively. find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles.
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the radii of two circles are 19 cm and 9 cm respectively. find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles.

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User Akshit Rewari
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1 Answer

7 votes

Answer:

C = 2π(19 + 9) = 2π(28), so r = 28.

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User James Daniels
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