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 #692198 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a right triangle with legs 15 and 21.  The hypotenuse or c, is sqrt (225+441)=sqrt(666)=25.81.<BR>\n" );
document.write( "can use Law of Sines<BR>\n" );
document.write( "25.81/sin C=25.81= a/sin A=15/sin A; sin A=15/25.81=0.5812.  Take the arc sin (0.5812)=35.53 deg angle A<BR>\n" );
document.write( "21/25.81=0.8136; arc sin (0.8136)=54.45 deg angle B </SPAN>\n" );
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