document.write( "Question 874871: Two concentric circles have radii of 16 cm and 34 cm. Find the length of the chord of the larger circle that is tangent to the smaller circle. \n" ); document.write( "
Algebra.Com's Answer #527805 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Did not do it yet, but here is a strategy using coordinate geometry.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Two circles centered at the origin. \n" ); document.write( "Small, \n" ); document.write( "Large, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The tangent chord is at y=16, positioned horizontally with slope zero. Use this to get the x value for the points on the larger circle. Distance from the left x value to the y x value is the length of the tangent chord. \n" ); document.write( " |