document.write( "Question 142852: find the area of an equilateral triangle with one side measuring 20cm \n" ); document.write( "
Algebra.Com's Answer #103947 by psbhowmick(878)\"\" \"About 
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Area of an equilateral triangle with sides 'a' is given by
\n" ); document.write( "\"A+=+sqrt%283%29a%5E2%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "Here, a = 20 cm.
\n" ); document.write( "So, \"A+=+sqrt%283%29%2A20%5E2%2F4+=+173.2\"\"cm%5E2\"
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