document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=380947>Question 380947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLS. HELP ME SOLVE THIS PROBLEM. TNX<BR>\n" );
document.write( "PROB. 1  IN A CIRCLE OF RADIUS 6 INCHES, THE LENGTH OF THE ARC OF A SECTOR IS 6PIE INCHES. WHAT IS THE AREA OF THE SECTOR?\r<BR>\n" );
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document.write( "PROB. 2. FIND THE CENTRAL ANGLE OF A CIRCLE WHICH INTERCEPTS AN ARC 80PIE CENTIMETER WITH THE RADIUS OF THE CIRCLE IS 20 CENTIMETER.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #270308 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=270308\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I believe I answered the first part of your question.<BR>\n" );
document.write( "If not, let me know and I will do it again.<BR>\n" );
document.write( "You should already have the answer for that part.\r<BR>\n" );
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document.write( "The second part of your question is:<BR>\n" );
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document.write( "FIND THE CENTRAL ANGLE OF A CIRCLE WHICH INTERCEPTS AN ARC 80PIE CENTIMETER WITH THE RADIUS OF THE CIRCLE IS 20 CENTIMETER.\r<BR>\n" );
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document.write( "The general formula for determining the length of an arc is:\r<BR>\n" );
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document.write( "L = x/360 * C\r<BR>\n" );
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document.write( "L equals the length of the arc.<BR>\n" );
document.write( "x = the number of degrees of the arc<BR>\n" );
document.write( "C = the circumference of the circle from where the arc was drawn.\r<BR>\n" );
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document.write( "C = 2 * pi * r\r<BR>\n" );
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document.write( "r = the radius of the circle.\r<BR>\n" );
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document.write( "C is also equal to the length of an arc of 360 degrees.\r<BR>\n" );
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document.write( "In your problem, you are given that the radius of the circle from which the arc as drawn is equal to 20 centimeters.\r<BR>\n" );
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document.write( "This makes the circumference of that circle equal to 2 * pi * 20 = 40 * pi.\r<BR>\n" );
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document.write( "Your formula for the length of the arc becomes:\r<BR>\n" );
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document.write( "L = x/360 * 40 * pi\r<BR>\n" );
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document.write( "You know the length of your arc.\r<BR>\n" );
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document.write( "That is given as 80 * pi.\r<BR>\n" );
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document.write( "Your formula becomes:\r<BR>\n" );
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document.write( "80 * pi = x/360 * (40 * pi)\r<BR>\n" );
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document.write( "Divide both sides of this equation by (40 * pi) and you get:\r<BR>\n" );
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document.write( "(80 * pi) / (40 * pi) = x/360\r<BR>\n" );
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document.write( "This becomes:\r<BR>\n" );
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document.write( "2 = x / 360\r<BR>\n" );
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document.write( "Multiply both sides of this equation by 360 and you get:\r<BR>\n" );
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document.write( "x = 720 degrees.\r<BR>\n" );
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document.write( "That's your answer.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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