document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=826586>Question 826586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear Sir / Madam;<BR>\n" );
document.write( "Kindly help me with this word problem.<BR>\n" );
document.write( "Given a regular pentagon of side 42 cm. find the area of:<BR>\n" );
document.write( "a) the pentagon<BR>\n" );
document.write( "b) the inscribed circle<BR>\n" );
document.write( "c) the circumscribed circle\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you so much for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #498165 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=498165\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given a regular pentagon of side 42 cm. find the area of:<BR>\n" );
document.write( "a) the pentagon<BR>\n" );
document.write( "Regular Pentagon made up of 5 regular triangles.<BR>\n" );
document.write( "Area of each triangle:<BR>\n" );
document.write( "height = sqrt[42^2-(21/2)^2] = 40 2/3 cm<BR>\n" );
document.write( "a = (1/2)(21)(40 2/3) = 427 cm^2<BR>\n" );
document.write( "Area of Pentagon:: 5*427 = 2135.02 cm^2<BR>\n" );
document.write( "-----------------------------------------------<BR>\n" );
document.write( "b) the inscribed circle<BR>\n" );
document.write( "Radius = 40 2/3 cm<BR>\n" );
document.write( "Area = pi*(40 2/3)^2 = 1653.75 cm^2<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "c) the circumscribed circle<BR>\n" );
document.write( "Radius = 42 cm<BR>\n" );
document.write( "Area = pi(42^2) = 5541.77 cm^2 <BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=======================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );