document.write( "Question 915434: In a triangle with sides 29cm 21cm and 13cm, how can you find the height? Using sine rule ? \n" ); document.write( "
Algebra.Com's Answer #555593 by ewatrrr(24785)\"\" \"About 
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Using Heron' Rule: sides a, b c
\n" ); document.write( "Area=SQRT(s(s-a)(s-b)(s-c)), where s = P/2 = 31.5
\n" ); document.write( "A = 123.6818 Square Units
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