document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821236>Question 821236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find the radius of a circle if only the area is known.  Example:  A circle has area 84 sq. in. Find the radius.\r<BR>\n" );
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document.write( "Thanks!\r<BR>\n" );
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document.write( "Barb Atwood </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493969 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493969\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  A circle has area 84 sq. in. Find the radius. <BR>\n" );
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document.write( "You still use the same formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 84<BR>\n" );
document.write( "Divide both sides by pi<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=84%2Fpi ALIGN=MIDDLE  ALT=\"84%2Fpi\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E2 ALIGN=MIDDLE  ALT=\"r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 26.738<BR>\n" );
document.write( "Find the square root of both sides<BR>\n" );
document.write( "r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%2826.738%29 ALIGN=MIDDLE  ALT=\"sqrt%2826.738%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r = 5.17<BR>\n" );
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document.write( "Check on your calc: enter <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A5.17%5E2 ALIGN=MIDDLE  ALT=\"pi%2A5.17%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > 83.97 ~ 84 </SPAN>\n" );
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