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# The length of the common chord of the circles of radii 15 and 20 whose centers are 25 units of distance apart, is :

$\begin {array} {1 1} (1)\;12 & \quad (2)\;16 \\ (3)\;24 & \quad (4)\;25 \end {array}$
Can you answer this question?

(3) 24
answered Nov 7, 2013 by