document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=133785>Question 133785</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A horse is tied at one corner of a 10m by 20m barn. If the rope is 25m long, find the area of the region in which the horse can graze. Leave your answer in terms of PI.\r<BR>\n" );
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document.write( "Area of the a circle is A=r^2Pi\r<BR>\n" );
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document.write( "r=25m is the length of the rope or the radius<BR>\n" );
document.write( "The corner of the 20m x 10m barn is the center of the circle.<BR>\n" );
document.write( "Therefore the each side measurement of the barn will add up to 25m.\r<BR>\n" );
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document.write( "      20+5=25m     10+15=25m\r<BR>\n" );
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document.write( "The area of the barn will be a third of the circle which means the horse can only graze 2/3 of the region.\r<BR>\n" );
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document.write( "Notice:  A=r^2Pi r=25m  <BR>\n" );
document.write( "        <BR>\n" );
document.write( "Since the horse can only graze 2/3 of the region, the area formula is:\r<BR>\n" );
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document.write( "       A=2/3r^2Pi<BR>\n" );
document.write( "        =2/3 (25)^2Pi<BR>\n" );
document.write( "        =2/3(625)Pi<BR>\n" );
document.write( "        =1250/3Pi or<BR>\n" );
document.write( "        =416.67Pi<BR>\n" );
document.write( "             \r<BR>\n" );
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