document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=793768>Question 793768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an isosceles triangle has sides of length 8cm, 8cm and 5cm find the angle between the two equal sides.  how do you figure out the angle using trigonometry?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480440 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=480440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertex of the equal sides has an altitude extending from it to the middle of the third side, intersecting this third side in the middle, forming two right triangles.  Each such triangle has hypotenuse 8 cm and short leg 2.5 cm.  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sine%28atVertex%29=2.5%2F8 ALIGN=MIDDLE  ALT=\"sine%28atVertex%29=2.5%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > for each right triangle, but for the entire isosceles triangle, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%282%2AatVertex%29=2.5%2F8 ALIGN=MIDDLE  ALT=\"sin%282%2AatVertex%29=2.5%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so wanted is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Aarcsin%282.5%2F8%29 ALIGN=MIDDLE  ALT=\"2%2Aarcsin%282.5%2F8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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