document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=600394>Question 600394</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three ships are assigned to rescue Ivan as his spaceship plunges into the ocean, The ships are at the vertices of a triangle with sides of 14, 18 and 10 km. Find the area of the ocean in the triangular region bounded by the three ships.\r<BR>\n" );
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document.write( "I tried using the area formula <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A=+%281%2F2%29%2A%28a%2Ab%29%2Asin%28C%29+ ALIGN=MIDDLE  ALT=\"+A=+%281%2F2%29%2A%28a%2Ab%29%2Asin%28C%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > but there are no angles. It's not a special triangle like 3, 4, 5. I am very lost. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379318 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=379318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you only know 3 sides of a triangle (and no angles), you can use Heron's formula (or Hero's formula) to compute the area of the triangle.\r<BR>\n" );
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document.write( "Hero's (or Heron's) formula:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29 ALIGN=MIDDLE  ALT=\"A+=+sqrt%28s%28s-a%29%28s-b%29%28s-c%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "where 's' is the semiperimeter and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=%28a%2Bb%2Bc%29%2F2 ALIGN=MIDDLE  ALT=\"s=%28a%2Bb%2Bc%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "also,\r<BR>\n" );
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document.write( "A is the area<BR>\n" );
document.write( "a is the first side length<BR>\n" );
document.write( "b is the second side length<BR>\n" );
document.write( "c is the third side length </SPAN>\n" );
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