document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=165223>Question 165223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the perimeter and the area of the shaded region use 3.14 for pie.<BR>\n" );
document.write( "A retangle shaded with a half circle on one end. The width is 25 ft. the height is 20 ft.  I have the answers but I need to know how to work the problem. \r<BR>\n" );
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document.write( "Answer: Perimeter = 101.4 ft<BR>\n" );
document.write( "        Area = 343 ft2\r<BR>\n" );
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document.write( "Can someone please help by showing me how to work the problem? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121835 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=121835\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> area of rectangle:<BR>\n" );
document.write( "width*height<BR>\n" );
document.write( "25*20 = 500 square feet<BR>\n" );
document.write( ".<BR>\n" );
document.write( "area of half circle:<BR>\n" );
document.write( "area for a full circle = (pi)r^2<BR>\n" );
document.write( "half circle would be half of the above:<BR>\n" );
document.write( "(1/2)(pi)r^2<BR>\n" );
document.write( "plugging in our values:<BR>\n" );
document.write( "(1/2)(3.14)10^2<BR>\n" );
document.write( "(1/2)(3.14)100<BR>\n" );
document.write( "(3.14)50<BR>\n" );
document.write( "157 square feet<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Area of shaded region is:<BR>\n" );
document.write( "\"area of rectangle\" - \"area of half circle\" <BR>\n" );
document.write( "500 - 157 = 343 square feet<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Perimeter:<BR>\n" );
document.write( "Edge along the rectangle:<BR>\n" );
document.write( "height + 2(width)<BR>\n" );
document.write( "20 + 2(25)<BR>\n" );
document.write( "20 + 50<BR>\n" );
document.write( "70 feet<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Edge along the half-circle:<BR>\n" );
document.write( "\"circumference of a full circle\" is<BR>\n" );
document.write( "(pi)(d)<BR>\n" );
document.write( "we only want half of that so:<BR>\n" );
document.write( "(1/2)(pi)(d)<BR>\n" );
document.write( "(1/2)(3.14)(20)<BR>\n" );
document.write( "(3.14)(10)<BR>\n" );
document.write( "31.4 feet<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Perimeter then is:<BR>\n" );
document.write( "70 + 31.4 = 101.4 feet </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );