document.write( "Question 1180986: Colin, Nick and Jack are throwing a baseball around. Colin is 90 feet from Nick, Nick is 80 feet from Jack
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Algebra.Com's Answer #810797 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Use the Cosine Law.\r\n" );
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document.write( "Or, alternatively, calculate the area of the triangle using the Heron's formula;\r\n" );
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document.write( "Then use another formula for the triangle area  S = , where \"a\" and \"b\" are any two sides \r\n" );
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document.write( "and  is the included angle.\r\n" );
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\n" ); document.write( "\n" ); document.write( "The rest is on you.\r
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