document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1145517>Question 1145517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given triangle ABC with vertices A(−3, 0), B(0, 6), and C(4, 6).<BR>\n" );
document.write( "Find the equations of the three perpendicular bisectors of the same triangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #766740 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=766740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Same problem.<BR>\n" );
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document.write( "For side AB.<BR>\n" );
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document.write( "Step 1, find the midpoint.  Do you know how to do that?<BR>\n" );
document.write( "Step 2, find the slope of AB.  Call it m<BR>\n" );
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document.write( "The slope of lines perpendicular is the negative inverse.<BR>\n" );
document.write( "---> -1/m<BR>\n" );
document.write( "Call that m2.<BR>\n" );
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document.write( "Step 3, use y - y1 = m2*(x-x1) where (x1,y1) is the midpoint.<BR>\n" );
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document.write( "Given triangle ABC with vertices A(−3, 0), B(0, 6), and C(4, 6). <BR>\n" );
document.write( "a. Find the equations of the three medians of triangle ABC<BR>\n" );
document.write( "Step 1, find the midpoints of the 3 line segments.<BR>\n" );
document.write( "Step 2, find the equations of the 3 lines:<BR>\n" );
document.write( "A to the midpoint of BC<BR>\n" );
document.write( "B to the midpoint of AC<BR>\n" );
document.write( "C to the midpoint of AB<BR>\n" );
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document.write( "b. Find the equations of the three altitudes of the same triangle<BR>\n" );
document.write( "Find the equations of the lines perpendicular to the AB, AC and BC thru the point C, B and A respectively.<BR>\n" );
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document.write( "It's tedious and repetitious, but you get practice on how to do it.<BR>\n" );
document.write( "I don't need the practice. </SPAN>\n" );
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