document.write( "Question 252470: How do You find the area of an equilateral triangle with a radius of 2 radical 3? All I know is that the area formula is s^2 radical 3/ 4 \n" ); document.write( "
Algebra.Com's Answer #184392 by drk(1908)\"\" \"About 
You can put this solution on YOUR website!
Instead of radius I think you mean altitude of the triangle is 2sqrt(3).
\n" ); document.write( "If we use this assumption, your equilateral triangle is cut by this altitude into two 30-60-90 triangles.
\n" ); document.write( "The side opposite 60 degrees is 2sqrt(3).
\n" ); document.write( "The side opposite the 30 degrees will be 2.
\n" ); document.write( "The hypotenuse (side of the equilateral triangle) will be 4.
\n" ); document.write( "There are special formulas for the 30-60-90.
\n" ); document.write( "Now, we can find the area using the formula you stated in the question:
\n" ); document.write( "A = \"s%5E2%2Asqrt%283%29+%2F+4\"
\n" ); document.write( "A = \"4%5E2%2Asqrt%283%29%2F4\"
\n" ); document.write( "A = \"4%2Asqrt%283%29\"
\n" ); document.write( "
\n" ); document.write( "
\n" );