document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=586427>Question 586427</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373743 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=373743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide<BR>\n" );
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document.write( "Draw an isosceles triangle.<BR>\n" );
document.write( "Let the base be 2x<BR>\n" );
document.write( "Then the height is 2x<BR>\n" );
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document.write( "Draw the height as a perpendicular bisector of the base.<BR>\n" );
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document.write( "You have 2 right triangles.<BR>\n" );
document.write( "Each has base = x and height = 2x<BR>\n" );
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document.write( "Let theta be the acute angle on the base.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "tan(theta) = 2x/x = tan(theta) = 2 <BR>\n" );
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document.write( "theta = arctan(2) = 63.43 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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