document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=112332>Question 112332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help me solve this word problem.\r<BR>\n" );
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document.write( "A semicircular window of radius 15 inches is to be laminated with a sunblock coating that costs $.85 per square inch to apply what is the total cost of coating the window, to the nearest cent?\r<BR>\n" );
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document.write( "I think this is the equation, could you let me know if this is correct:           A = 3.14(15)^2\r<BR>\n" );
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document.write( "Thanks, Jessie. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #81957 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=81957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=3.14%2815%29%5E2 ALIGN=MIDDLE  ALT=\"A=3.14%2815%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > represents the area of the <b>whole</b> circle. We only want half of the circle. So divide the total area by 2 to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=3.14%2815%29%5E2%2F2 ALIGN=MIDDLE  ALT=\"A=3.14%2815%29%5E2%2F2\"   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=A=3.14%2815%29%5E2%2F2 ALIGN=MIDDLE  ALT=\"A=3.14%2815%29%5E2%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=3.14%28225%29%2F2 ALIGN=MIDDLE  ALT=\"A=3.14%28225%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Square 15 to get 225\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=706.5%2F2 ALIGN=MIDDLE  ALT=\"A=706.5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 3.14 and 225 to get 706.5\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=353.25 ALIGN=MIDDLE  ALT=\"A=353.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide\r<BR>\n" );
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document.write( "So the area of the semicircular window is 353.25 sq in\r<BR>\n" );
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document.write( "Now multiply 353.25 by 0.85 to find out how much it will cost to coat the window\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=353.25%2A0.85=300.2625 ALIGN=MIDDLE  ALT=\"353.25%2A0.85=300.2625\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "So it will cost around $300.26 to coat the window </SPAN>\n" );
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