document.write( "Question 1039827: Thank you all beforehand for helping me out. I really appreciate your time and effort.\r
\n" ); document.write( "\n" ); document.write( "Find the area of triangle ABC if AB = BC = 12 and angle ABC = 120. \n" ); document.write( "

Algebra.Com's Answer #654573 by MathTherapy(10810) $\"\"$ $\"About$

You can put this solution on YOUR website!
Thank you all beforehand for helping me out. I really appreciate your time and effort.\r
\n" ); document.write( "\n" ); document.write( "Find the area of triangle ABC if AB = BC = 12 and angle ABC = 120.
\n" ); document.write( "

You can use: Area of triangle = \r
\n" );
document.write( "\n" );
document.write( "OR\r
\n" );
document.write( "\n" );
document.write( "The altitude that's drawn from ∠ABC to the base (AC) is the SHORTER side of one of the two 30-60-90 special right-triangles that're formed, since it's opposite the smaller of the
\n" );
document.write( "2 acute angles (). With the hypotenuse being 12, the shorter leg/height = , and the longer leg = . This means that the base = . 
\n" );
document.write( "Therefore, area =  \n" );
document.write( "

\n" );