document.write( "Question 1064546: using the pythagorean theorem find the area of an equilateral triangle whose side measures 7 units find the area to the nearest tenth of a square unit \n" ); document.write( "
Algebra.Com's Answer #679630 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Form one altitude. This creates two congruent right triangles having each a leg \"7%2F2\" and a hypotenuse 7. The other leg is the size of the altitude. Find the size of this altitude, or height, using Pythagorean Theorem formula.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "From that,.... refer to formula for area of a triangle.
\n" ); document.write( "a for altitude, b for base, area is \"%281%2F2%29ba\".
\n" ); document.write( "
\n" );