document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185153>Question 1185153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.The three straight lines y = x, 2y = 7x , and x + 4y - 60 = 0 form a triangle. Find the equations of the three medians, and calculate the coordinates of their point of intersection.\r<BR>\n" );
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document.write( "a. The points D(2, -3), E(-1, 7), F(3, 5) are the mid-points of the sides BC, CA, AB respectively of a triangle. Find the equations of its sides.\r<BR>\n" );
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document.write( "b. Prove that the points (1,−1), (-1, 1), (√3,√3) are the vertices of an equilateral triangle. Find the coordinates of the point of intersection of the medians of this triangle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #815973 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52798)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=815973\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( " </SPAN>\n" );
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