document.write( "Question 1036986: Using heron's formulae find the area of equilateral triangle of side a units \n" ); document.write( "

Algebra.Com's Answer #651698 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Using heron's formulae find the area of equilateral triangle of side a units
\n" ); document.write( "-------
\n" ); document.write( "s = (a + a + a)/2 = 3a/2
\n" ); document.write( "---
\n" ); document.write( " $\"Area+=+sqrt%28s%2A%28s-a%29%2A%28s-a%29%2A%28s-a%29%29\"$
\n" ); document.write( " $\"Area+=+sqrt%28%283a%2F2%29%2A%28a%2F2%29%5E3%29\"$
\n" ); document.write( " $\"Area+=+sqrt%283a%5E4%2F16%29\"$
\n" ); document.write( " $\"Area+=+a%5E2%2Asqrt%283%29%2F4\"$
\n" ); document.write( " \n" ); document.write( "

\n" );