document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037406>Question 1037406</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A security camera needs to be set so that it's angle of view includes the area from a doorway to the edge of a parking lot. The doorway is 16m from the camera. The edge of the parking lot is 24m from the camera. The doorway is 28m from the edge of the parking lot. What angle of view is needed for the camera?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #652051 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=652051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Doorway to Camera, 16 meter leg<BR>\n" );
document.write( "Parking Lot Edge to Camera, 24 meter hypotenuse<BR>\n" );
document.write( "Parking Lot Edge to Doorway, 28 meter leg\r<BR>\n" );
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document.write( "This is not a right triangle.  Change the names of the sides to this:\r<BR>\n" );
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document.write( "Doorway to Camera, 16 meter side<BR>\n" );
document.write( "Parking Lot Edge to Camera, 24 meter side<BR>\n" );
document.write( "Parking Lot Edge to Doorway, 28 meter side<BR>\n" );
document.write( "...<BR>\n" );
document.write( "and to be sure,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%5E2%2B24%5E2%3C%3E28%5E2 ALIGN=MIDDLE  ALT=\"16%5E2%2B24%5E2%3C%3E28%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=256%2B576%3C%3E784 ALIGN=MIDDLE  ALT=\"256%2B576%3C%3E784\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=832%3C%3E784 ALIGN=MIDDLE  ALT=\"832%3C%3E784\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Law Of Cosines will use the unknown angle at the camera.  The distance from doorway to edge of the parking lot is the side opposite the camera.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16%5E2%2B24%5E2-2%2A16%2A24%2Acos%28c%29=28%5E2 ALIGN=MIDDLE  ALT=\"16%5E2%2B24%5E2-2%2A16%2A24%2Acos%28c%29=28%5E2\"   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=832-2%2A16%2A24%2Acos%28c%29=28%5E2 ALIGN=MIDDLE  ALT=\"832-2%2A16%2A24%2Acos%28c%29=28%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2%2A16%2A24%2Acos%28c%29=28%5E2-832 ALIGN=MIDDLE  ALT=\"-2%2A16%2A24%2Acos%28c%29=28%5E2-832\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28c%29=%2828%5E2-832%29%2F%28-2%2A16%2A24%29 ALIGN=MIDDLE  ALT=\"cos%28c%29=%2828%5E2-832%29%2F%28-2%2A16%2A24%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28c%29=48%2F%282%2A16%2A24%29 ALIGN=MIDDLE  ALT=\"cos%28c%29=48%2F%282%2A16%2A24%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28c%29=1%2F%2816%29 ALIGN=MIDDLE  ALT=\"cos%28c%29=1%2F%2816%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Angle measure c is arcos(1/16)  or  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%5E-1%281%2F16%29 ALIGN=MIDDLE  ALT=\"cos%5E-1%281%2F16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "86 degrees. </SPAN>\n" );
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