document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693314>Question 693314</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square of side x is inscribed in a circle.  Express the area A of the circle as a function of x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427550 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=427550\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A square of side x is inscribed in a circle. Express the area A of the circle as a function of x.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Use sector area formula to solve:<BR>\n" );
document.write( "area of one of 4 sectors=(1/2)r^2A<BR>\n" );
document.write( "diameter of circle=(&#8730;2/2)x<BR>\n" );
document.write( "r=&#8730;2/4)x<BR>\n" );
document.write( "r^2=(2/16)x^2=(x^2)/8<BR>\n" );
document.write( "A=&#960;/2(central angle)<BR>\n" );
document.write( "Area of circle=4*(1/2)(x^2/8)*&#960;/2=&#960x^2/8 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );