document.write( "Question 710918: Given a triangle with sides measuring 18 inches, 21 inches, and 14 inches find the measure of the angle with the greatest measure. \n" ); document.write( "
Algebra.Com's Answer #437240 by stanbon(75887)\"\" \"About 
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Given a triangle with sides measuring 18 inches, 21 inches, and 14 inches find the measure of the angle with the greatest measure.
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\n" ); document.write( "Use the Law of Cosines.
\n" ); document.write( "Largest angle is the angle opposite the largest side.
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\n" ); document.write( "cos(A) = [18^2+14^2 - 21^2]/[2*18*14] = 0.1567
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\n" ); document.write( "A = cos^-1(0.1567) = 80.98 degrees)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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