Find the length (cm) of a common chord of two circles of radii 25 cm and 26 cm respectively, if the distance between their centers is 17 cm.

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A: I am attaching image so that you understand each and every step.

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A: Topic - circles

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Q: Will pi always be equal to 4 in Taxicab geometry? Even with different radii? Explain why or why not

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A: