document.write( "Question 1069311: If given:
\n" ); document.write( "A= $\"+68+\"$ a = ?
\n" ); document.write( "B = ? b = $\"+8+\"$
\n" ); document.write( "C = ? c = $\"+5+\"$
\n" ); document.write( "What is the value of a?
\n" ); document.write( "A.) $\"+7.68+\"$
\n" ); document.write( "B.) $\"+9.31+\"$
\n" ); document.write( "C.) $\"+11.22+\"$
\n" ); document.write( "D.) $\"+13.18+\"$ \n" ); document.write( "

Algebra.Com's Answer #684539 by Boreal(15235) $\"\"$ $\"About$

You can put this solution on YOUR website!
Law of Cosines
\n" ); document.write( "a^2=b^2+c^2-2bc cos A
\n" ); document.write( "=64+25-2(40) *0.3746=89-29.97=59.03
\n" ); document.write( "sqrt(59.03)=7.68
\n" ); document.write( "A. \n" ); document.write( "

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