document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86784>Question 86784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> MAY I PLEASE GET SOME HELP WITH THESE I REALLY NEED HELP\r<BR>\n" );
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document.write( "A regular squre pryramid with slant height 9 and base edge 6<BR>\n" );
document.write( "(a)lateral area<BR>\n" );
document.write( "(b)the total area\r<BR>\n" );
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document.write( "A right cylinder with radius 3 and height 7<BR>\n" );
document.write( "(a)lateral area<BR>\n" );
document.write( "(b) the total area\r<BR>\n" );
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document.write( "Two circles have area of 49pi and 36pi. Find the ratio of their radii. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62784 by </B><A HREF=/tutors/aboutme.mpl?userid=Flake><B>Flake(45)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Flake><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=62784\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need to understand the terms \"lateral Area\" and \"Total Area\".  Once understand that, it should be pretty straight forward.\r<BR>\n" );
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document.write( "A regular squre pryramid with slant height 9 and base edge 6<BR>\n" );
document.write( "a)  Lateral Area for regular pryramid = 1/2*(perimeter of the base)*(slant height)<BR>\n" );
document.write( "-----slant height is given, you need to find the perimeter for the square base\r<BR>\n" );
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document.write( "b)  the total area = lateral area + base area<BR>\n" );
document.write( "----- you know the lateral area from \"a\".  You should know the area for a square base\r<BR>\n" );
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document.write( "A right cylinder with radius 3 and height 7<BR>\n" );
document.write( "a)  Lateral Area  = (height) * (circumference of the base)<BR>\n" );
document.write( "---------- height is given.  The circumference of a cone is a circle.  You need to calculate the circumference of a circle whose radius is 3\r<BR>\n" );
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document.write( "b)  the total area = lateral area + base areas<BR>\n" );
document.write( "----- you know the lateral area from \"a\".  You should how to calculate the area of a circle base.<BR>\n" );
document.write( "------ remember a cone has 2 circle bases.  One on the bottom the other is the top.\r<BR>\n" );
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document.write( "Two circles have area of 49pi and 36pi. Find the ratio of their radii.<BR>\n" );
document.write( "Let R#1 be radius#1.<BR>\n" );
document.write( "Let R#2 be radius#2.<BR>\n" );
document.write( "Radio = R#1/R#2<BR>\n" );
document.write( "---Find R#1:  Area of circle=(pi)(R^2)<BR>\n" );
document.write( "So 49pi=(pi)(R#1^2)<BR>\n" );
document.write( "So 49=R#1^2<BR>\n" );
document.write( "So R#1 = sqrt of 49<BR>\n" );
document.write( "-----Now repeat to find R#2 and find ratio </SPAN>\n" );
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