the length of the common chord of two circles of radii 15cm and 20 cm whose centres are 25 cm apart is ?
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https://www.meritnation.com/ask-answer/question/pl-expalin-me-dis-question-properly-of-ex-10-4-two-circles/circles/3323329
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https://www.meritnation.com/ask-answer/question/pl-expalin-me-dis-question-properly-of-ex-10-4-two-circles/circles/3323329
Regards.