Twp circles of radi 8 cm and 6 cm intersect at two points and the distance between their centres is 10 cm. The length of common chord is?
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Approx 2*7 and exact ans is (root over 48)*2
oli04:
take the line connected to centers as x and 10-x
take half of the chord as y
the the equations of pythogorous theorem
and equate y
and then solve for x
and substitute in the equations
and get Y by again using pythogorous theorem
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