document.write( "Question 87185: Determine the area of triangle ABC given the following information:
\n" ); document.write( "A=12, B=13, C=5
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Algebra.Com's Answer #63122 by checkley75(3666)\"\" \"About 
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KNOWING THAT THIS IS A RIGHT TRIANGLE: WE USE THE QUADRATIC PATHOGOREAN THEROM
\n" ); document.write( "PROOF A^2+B^2=C^2, 12^2+5^2=13^2, 144+25-169, 169=169.
\n" ); document.write( "NOW WE USE THE AREA FORMULA FOR A RIGHT TRIANGLE A=B/2*H (B IS THE BASE=12), HIS THE HEIGHT=5)
\n" ); document.write( "A=12/2*5
\n" ); document.write( "A=6*5
\n" ); document.write( "A=30
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