document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128902>Question 1128902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a right triangle, the hypotenuse is 20cm, the longer leg is 13cm, and one angle is x degrees. <BR>\n" );
document.write( "The triangle is not drawn to scale. <BR>\n" );
document.write( "Find the value of x and round to the nearest degree. <BR>\n" );
document.write( "I think this problem uses cosine\r<BR>\n" );
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document.write( "Multichoice answers: <BR>\n" );
document.write( "a. 37<BR>\n" );
document.write( "b. 33<BR>\n" );
document.write( "c. 41<BR>\n" );
document.write( "d. 49 <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745411 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=745411\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13cm%2F20%22+cm%22=0.65 ALIGN=MIDDLE  ALT=\"13cm%2F20%22+cm%22=0.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That is the sine of the angle opposite the 13-cm leg,<BR>\n" );
document.write( "and the cosine of the angle adjacent to the 13-cm leg.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sine=opposite%2Fhypotenuse ALIGN=MIDDLE  ALT=\"sine=opposite%2Fhypotenuse\"   DISABLED_style= \"max-width:90%; height:auto;\" > <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosine=adjacent%2Fhypotenuse ALIGN=MIDDLE  ALT=\"cosine=adjacent%2Fhypotenuse\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "If your problem has a drawing, is the x on the angle adjacent to the 13-cm side,<BR>\n" );
document.write( "or is the angle marked with x opposite that side<BR>\n" );
document.write( "Using the inverse sine and inverse cosine functions in my calculator,<BR>\n" );
document.write( "I find approximate angles:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.65=sin%28approximately40.54%5Eo%29 ALIGN=MIDDLE  ALT=\"0.65=sin%28approximately40.54%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.65=cos%28approximately49.46%5Eo%29 ALIGN=MIDDLE  ALT=\"0.65=cos%28approximately49.46%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "Those angles add up to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90%5Eo ALIGN=MIDDLE  ALT=\"90%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" > (as they should).<BR>\n" );
document.write( "Their approximate measures, round to the nearest degree are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=41 ALIGN=MIDDLE  ALT=\"41\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=49 ALIGN=MIDDLE  ALT=\"49\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "Without more information, c and d are correct answers.<BR>\n" );
document.write( "If there is a drawing that gives you more information,<BR>\n" );
document.write( "you can figure out if the right answer is c or d.<BR>\n" );
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