document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389206>Question 389206</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really need to answer these trigonometry problems.<BR>\n" );
document.write( "1. The measure of two of the angles of a triangle are 50 degrees and 55 degrees. If its longest side measures 17 cm, find the perimeter of the triangle.<BR>\n" );
document.write( "2. The vertex angle of an isosceles triangle is 72 degrees and each of the equal sides is 10 cm. Find the perimeter and are of the triangle.<BR>\n" );
document.write( "3. The diameter of a circle C is 34 cm. Two radii AC and BC  from the angle of 96 degrees. Find the length of the cord AB.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275829 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=275829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I really need to answer these trigonometry problems.<BR>\n" );
document.write( "1. The measure of two of the angles of a triangle are 50 degrees and 55 degrees. If its longest side measures 17 cm, find the perimeter of the triangle.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "The measure of the third angle is 180-(50+55) = 75 degrees<BR>\n" );
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document.write( "Find the length of the side opposite the 50 degree angle.<BR>\n" );
document.write( "Use the Law of Sines:<BR>\n" );
document.write( "a/sin(50) = 17/sin(75) <BR>\n" );
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document.write( "a = sin(50)[17/sin(75)]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "a = 13.48<BR>\n" );
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document.write( "Find the length of the side opposite the 55 degree angle.<BR>\n" );
document.write( "Use the Law of Sines:<BR>\n" );
document.write( "b/sin(55) = [17/sin(75)]<BR>\n" );
document.write( "b = sin(55)[17/sin(75)]<BR>\n" );
document.write( "b = 14.42<BR>\n" );
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document.write( "Perimeter: 17 + 13.48 + 14.42<BR>\n" );
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document.write( "2. The vertex angle of an isosceles triangle is 72 degrees and each of the equal sides is 10 cm. Find the perimeter and area of the triangle.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Use the Law of Sines as in problem #1.<BR>\n" );
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document.write( "3. The diameter of a circle C is 34 cm. Two radii AC and BC form the angle of 96 degrees. Find the length of the cord AB.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Perimeter = (pi)d = 34pi<BR>\n" );
document.write( "---<BR>\n" );
document.write( "arc = (96/360)(34pi) = 28.48...cm<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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