document.write( "Question 955401: The figure above shows two tangent circles of the same size. Four line segments of equal length are each perpendicular to the line that passes through the centers of the circles. If WZ = 40 and WX = YZ = 16, what is the radius of each circle?
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\n" ); document.write( "\n" ); document.write( "4
\n" ); document.write( "8
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Algebra.Com's Answer #583615 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"WX%2BXY%2BYZ=WZ\"
\n" ); document.write( "\"16%2BXY%2B16=40\"
\n" ); document.write( "\"XY=8\"
\n" ); document.write( "So then,
\n" ); document.write( "\"D=WX%2B%281%2F2%29XY%2B%281%2F2%29XY\"
\n" ); document.write( "\"D=16%2B8\"
\n" ); document.write( "\"D=24\"
\n" ); document.write( "So
\n" ); document.write( "\"R=%281%2F2%29D\"
\n" ); document.write( "\"R=%281%2F2%2924\"
\n" ); document.write( "\"R=12\"
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