document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077715>Question 1077715</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In triangle ABC, a=15cm, b=21cm, and m&#8736;C=90 degree. Solve the triangle.<BR>\n" );
document.write( "Can someone help me with this?<BR>\n" );
document.write( "Thank you.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #692200 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=692200\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( " In triangle <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABC ALIGN=MIDDLE  ALT=\"ABC\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=15cm ALIGN=MIDDLE  ALT=\"a=15cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=21cm ALIGN=MIDDLE  ALT=\"b=21cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m ALIGN=MIDDLE  ALT=\"m\"   DISABLED_style= \"max-width:90%; height:auto;\" > < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=90 ALIGN=MIDDLE  ALT=\"C=90\"   DISABLED_style= \"max-width:90%; height:auto;\" > degree. \r<BR>\n" );
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document.write( "use Law of Cosines:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29 ALIGN=MIDDLE  ALT=\"a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2=a%5E2%2Bc%5E2-2ac%2Acos%28B%29 ALIGN=MIDDLE  ALT=\"b%5E2=a%5E2%2Bc%5E2-2ac%2Acos%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=a%5E2%2Bb%5E2-2ab%2Acos%28C%29 ALIGN=MIDDLE  ALT=\"c%5E2=a%5E2%2Bb%5E2-2ab%2Acos%28C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=15%5E2%2B21%5E2-2%2A15%2A21%2Acos%2890%29 ALIGN=MIDDLE  ALT=\"c%5E2=15%5E2%2B21%5E2-2%2A15%2A21%2Acos%2890%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >......<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2890%29=0 ALIGN=MIDDLE  ALT=\"cos%2890%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=225%2B441-630%2A0 ALIGN=MIDDLE  ALT=\"c%5E2=225%2B441-630%2A0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2=666 ALIGN=MIDDLE  ALT=\"c%5E2=666\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=sqrt%28666%29 ALIGN=MIDDLE  ALT=\"c=sqrt%28666%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=25.8cm ALIGN=MIDDLE  ALT=\"c=25.8cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29 ALIGN=MIDDLE  ALT=\"a%5E2=b%5E2%2Bc%5E2-2bc%2Acos%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2-b%5E2-c%5E2=-2bc%2Acos%28A%29 ALIGN=MIDDLE  ALT=\"a%5E2-b%5E2-c%5E2=-2bc%2Acos%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28A%29=%28b%5E2%2Bc%5E2-a%5E2%29%2F2bc ALIGN=MIDDLE  ALT=\"cos%28A%29=%28b%5E2%2Bc%5E2-a%5E2%29%2F2bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28A%29=%2821%5E2%2B%2825.8%29%5E2-15%5E2%29%2F%282%2A21%2A25.8%29 ALIGN=MIDDLE  ALT=\"cos%28A%29=%2821%5E2%2B%2825.8%29%5E2-15%5E2%29%2F%282%2A21%2A25.8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28A%29=%28441%2B665.64-225%29%2F%281083.6%29 ALIGN=MIDDLE  ALT=\"cos%28A%29=%28441%2B665.64-225%29%2F%281083.6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28A%29=%28881.64%29%2F%281083.6%29 ALIGN=MIDDLE  ALT=\"cos%28A%29=%28881.64%29%2F%281083.6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28A%29=0.8136212624584718 ALIGN=MIDDLE  ALT=\"cos%28A%29=0.8136212624584718\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=cos%5E-1%280.8136212624584718%29 ALIGN=MIDDLE  ALT=\"A=cos%5E-1%280.8136212624584718%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=35.55%B0 ALIGN=MIDDLE  ALT=\"A=35.55%B0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-a%5E2-c%5E2=-2ac%2Acos%28B%29 ALIGN=MIDDLE  ALT=\"b%5E2-a%5E2-c%5E2=-2ac%2Acos%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2ac%2Acos%28B%29=a%5E2%2Bc%5E2-b%5E2 ALIGN=MIDDLE  ALT=\"2ac%2Acos%28B%29=a%5E2%2Bc%5E2-b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%29=%28a%5E2%2Bc%5E2-b%5E2%29%2F2ac ALIGN=MIDDLE  ALT=\"cos%28B%29=%28a%5E2%2Bc%5E2-b%5E2%29%2F2ac\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%29=%2815%5E2%2B%2825.8%29%5E2-21%5E2%29%2F%282%2A15%2A25.8%29 ALIGN=MIDDLE  ALT=\"cos%28B%29=%2815%5E2%2B%2825.8%29%5E2-21%5E2%29%2F%282%2A15%2A25.8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%29=%28449.64%29%2F%28774%29 ALIGN=MIDDLE  ALT=\"cos%28B%29=%28449.64%29%2F%28774%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28B%29=0.580930232558 ALIGN=MIDDLE  ALT=\"cos%28B%29=0.580930232558\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=cos%5E-1%280.580930232558%29 ALIGN=MIDDLE  ALT=\"B=cos%5E-1%280.580930232558%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=54.48 ALIGN=MIDDLE  ALT=\"B=54.48\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );