document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046779>Question 1046779</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Four towns, A, B, C and D are connected together by an expressway AP, PB, PQ, QD and QC. The length of the base and height of the given square is 20 km each and it is given that AP=PB=QD=QC. Find the minimum total length of the expressway.<BR>\n" );
document.write( "A, B, C and D are four corners of a square and there are triangles APB and QCD within the square. PQ is the line that connects point P and Q together. And the dimensions of the square is 20 km by 20 km. </SPAN>\n" );
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