document.write( "Question 728725: Find the area of an equilateral triangle given side length 24. \n" ); document.write( "
Algebra.Com's Answer #445574 by ohtheirony(35)![]() ![]() You can put this solution on YOUR website! The median and altitude are the same line in an equilateral triangle. The median divides the base into two equal parts, so 12 and 12. You can use the Pythagorean theorem to find the height. We have the hypotenuse (c=24) and the base (a=12). \n" ); document.write( "So \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The opposite of squaring is the square root. So , we take the square root of each side. \n" ); document.write( " \n" ); document.write( "b=20.7846096908 \n" ); document.write( "To find the area, multiply 1/2bh, or 1/2 the base times the height. \n" ); document.write( "1/2(12)(20.7846096908)=124.707658145 \n" ); document.write( "Multiply this answer by two, and you will have the full equilateral triangle. \n" ); document.write( "124.707658145(2)=249.41531629 \n" ); document.write( "area=~249.415 \n" ); document.write( " |