document.write( "Question 984638: What is the number of square units in the area of a triangle whose sides are 5, 6, and 13 squared. Express your answer in simplest form. \n" ); document.write( "

Algebra.Com's Answer #605416 by Timnewman(323) $\"\"$ $\"About$

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Hi,
\n" ); document.write( "Use hero's formula as follows
\n" ); document.write( " $\"A=sqrt%28%28s%2A%28s-a%29%2A%28s-b%29%2A%28s-c%29%29%29\"$
\n" ); document.write( "Where $\"s=%28a%2Bb%2Bc%29%2F2\"$
\n" ); document.write( "Now,s=(5+6+13)/2
\n" ); document.write( " =24/2
\n" ); document.write( " =12
\n" ); document.write( "Substitute the above in the formula
\n" ); document.write( " $\"A=sqrt%28%2812%29%2A%2812-5%29%2A%2812-6%29%2A%2812-13%29%29\"$
\n" ); document.write( "Evaluating the above,
\n" ); document.write( "A=6.5i
\n" ); document.write( "Note the answer is a complex number. \n" ); document.write( "

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