document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=739872>Question 739872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the radius of a circle if a chord of the circle that is 16 centimeters long is 6 centimeters from the center of the circle? \r<BR>\n" );
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document.write( "a. 6cm <BR>\n" );
document.write( "b. 8cm<BR>\n" );
document.write( "c. 10cm<BR>\n" );
document.write( "d. 16cm   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451373 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Draw a picture. The distance between the chord and the circle's center is measured at the chord's midpoint (draw this in) and then connect the chord's endpoints with the circle's center -- these are radii.\r<BR>\n" );
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document.write( "You should see two mirror-image right triangles.\r<BR>\n" );
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document.write( "here is a picture:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C600%2C+-15%2C+15%2C+-15%2C+15%2C+%0D%0A+++++++++grid%280%29%2Cblue%28+circle%28+0%2C+0%2C+10+%29+%29%2Cblue%28line%28+0%2C+6%2C+0%2C+0+%29%29%2Cgreen%28line%28+8%2C+6%2C+0%2C+0+%29%29%2Cgreen%28line%28+-8%2C+6%2C+0%2C+0+%29%29%2Cgreen%28line%28+-14%2C+6%2C+14%2C+6+%29%29%2Clocate%28+-8%2C+6%2C+A+%29%2Clocate%28+8%2C+6%2C+B+%29%2Clocate%28+0.1%2C+6.4%2C+C+%29%2Clocate%28+0.1%2C+-0.3%2C+O+%29%2Clocate%284%2C6.5%2C8cm%29%2Clocate%28-4%2C6.5%2C8cm%29%2Clocate%280.2%2C3.3%2C6cm%29%0D%0A+++++++++%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " You have enough information to know the two legs of each triangle, and its hypotenuse is the circle's radius, which you can find using the Pythagorean theorem.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=8%5E2%2B6%5E2 ALIGN=MIDDLE  ALT=\"r%5E2=8%5E2%2B6%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=64%2B36 ALIGN=MIDDLE  ALT=\"r%5E2=64%2B36\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2=100 ALIGN=MIDDLE  ALT=\"r%5E2=100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=sqrt%28100%29 ALIGN=MIDDLE  ALT=\"r=sqrt%28100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=10 ALIGN=MIDDLE  ALT=\"r=10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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