document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=255282>Question 255282</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. A circle has radius of 12. if an arc of the circle has measure 100.. find the length of the arc in terms of PI?? \r<BR>\n" );
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document.write( "2. In terms of PI, how much farther does a 70 cm diameter bicycle tire travel in one revolution then a 50 dm diameter bicycle tire??\r<BR>\n" );
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document.write( "3.In a circle the length of an arc with measure 120 is 14PI. find the the radius of the circle?\r<BR>\n" );
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document.write( "Thank you in advance   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #187562 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=187562\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A circle has radius of 12. if an arc of the circle has measure 100.. find the length of the arc in terms of PI?<BR>\n" );
document.write( "I assume you mean an arc of 100º<BR>\n" );
document.write( "The circumference of the circle it 2pi*r = 24pi (for all 360º)<BR>\n" );
document.write( "The arc is 100/360 of that,<BR>\n" );
document.write( "= 24pi*(100/360) = 20pi/3 units<BR>\n" );
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document.write( "2. In terms of PI, how much farther does a 70 cm diameter bicycle tire travel in one revolution then a 50 dm diameter bicycle tire??<BR>\n" );
document.write( "I'll assume it's 50 cm, not 50 dm<BR>\n" );
document.write( "Each revolution moves the bike the circumference of the wheel.<BR>\n" );
document.write( "The diff is 2pi*70 - 2pi*50<BR>\n" );
document.write( "= 2pi*(70-50)<BR>\n" );
document.write( "= 40pi cm<BR>\n" );
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document.write( "3.In a circle the length of an arc with measure 120 is 14PI. find the the radius of the circle? <BR>\n" );
document.write( "120º is 1/3 of the circle, and 1/3 of the circumference.<BR>\n" );
document.write( "The total circumference = 42pi = 2pi*r<BR>\n" );
document.write( "r = 42pi/2pi<BR>\n" );
document.write( "r = 21 units </SPAN>\n" );
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