document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639489>Question 639489</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the bisector of a vertical angle of an isosceles trangle is a perpendicular bisector of base(teaching vedio) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402762 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=perpendicular ALIGN=MIDDLE  ALT=\"perpendicular\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a line that intersects another line segment at a 90° angle.<BR>\n" );
document.write( "If the perpendicular passes through the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=midpoint ALIGN=MIDDLE  ALT=\"midpoint\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the line, it is called <BR>\n" );
document.write( "the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=perpendicular ALIGN=MIDDLE  ALT=\"perpendicular\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+bisector ALIGN=MIDDLE  ALT=\"+bisector\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  \r<BR>\n" );
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document.write( "To construct the perpendicular bisector of a line, determine the midpoint and construct the perpendicular through it. \r<BR>\n" );
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document.write( "Measure to ensure that the line segments are equal and the angles measure 90°.\r<BR>\n" );
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document.write( "The Perpendicular Bisector of the Base of an Isosceles Triangle:\r<BR>\n" );
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document.write( "Construct an isosceles triangle ABC. Construct the perpendicular bisector of the base.\r<BR>\n" );
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document.write( "If the perpendicular bisector of the base of an isosceles triangle is drawn, <BR>\n" );
document.write( "then it <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=will ALIGN=MIDDLE  ALT=\"will\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pass ALIGN=MIDDLE  ALT=\"pass\"   DISABLED_style= \"max-width:90%; height:auto;\" > through the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=vertical ALIGN=MIDDLE  ALT=\"vertical\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=angle ALIGN=MIDDLE  ALT=\"angle\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=bisect ALIGN=MIDDLE  ALT=\"bisect\"   DISABLED_style= \"max-width:90%; height:auto;\" > the vertical angle.\r<BR>\n" );
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document.write( "for proof, copy this link and watch video:\r<BR>\n" );
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document.write( "http://www.youtube.com/watch?v=VDg-EUOgMsw\r<BR>\n" );
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