document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083477>Question 1083477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I could really use some help with this question, I would really appreciate it.\r<BR>\n" );
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document.write( "A square has a side of length 2x cm. In terms of x, what is its…<BR>\n" );
document.write( "a) perimeter?<BR>\n" );
document.write( "b) area?\r<BR>\n" );
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document.write( "Thank you very much and have a good day </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697468 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=697468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the length of each side is 2x centimeters.\r<BR>\n" );
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document.write( "the perimeter of a square is equal to 4 times the length of each side.\r<BR>\n" );
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document.write( "the area of a square is equal to the length of each side squared.\r<BR>\n" );
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document.write( "therefore:\r<BR>\n" );
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document.write( "the perimeter is equal to 4 * (2x) = 8x\r<BR>\n" );
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document.write( "the area is equal to (2x)^2 which is equal to 2x * 2x which is equal to 4x^2\r<BR>\n" );
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document.write( "to see if this makes sense, let x = any number.\r<BR>\n" );
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document.write( "i chose 5.\r<BR>\n" );
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document.write( "we said earlier that the perimeter was equal to 4 * (2x).<BR>\n" );
document.write( "when x = 5, the perimeter becomes equal to 4 * (2*5) which is equal to 4 * 10 which is equal to 40\r<BR>\n" );
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document.write( "we said earlier that the area was equal to (2x)^2.<BR>\n" );
document.write( "when x = 5, the area becomes equal to (2*5)^2 which is equal to 10^2 which is equal to 100.\r<BR>\n" );
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document.write( "notice that (2x)^2 is not the same as 2x^2\r<BR>\n" );
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document.write( "(2x)^2 is equal to 2x * 2x which is equal to 2 * x * 2 * x which is equal to 2 * 2 * x * x which is equal to 4 * x^2  which is equal to 4x^2.\r<BR>\n" );
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document.write( "2x^2 is equal to 2 * x * x which is equal to 2 * x^2 which is equal to 2x^2.\r<BR>\n" );
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document.write( "big difference.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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