document.write( "Question 20235: i have 3 points on a graph that form a triangle and i need to find the area of the triangle using a matrix. How would i find the area? the points are (-2,-2), (3,0), and (2,4). \n" ); document.write( "
Algebra.Com's Answer #11034 by khwang(438) ![]() You can put this solution on YOUR website! (-2,-2), (3,0), and (2,4). \n" ); document.write( " \n" ); document.write( " computeteh abs.valof the determinant\r \n" ); document.write( "\n" ); document.write( " |1 -2 -2| \n" ); document.write( " |1 3 0| * 1/2 \n" ); document.write( " |1 2 4}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Kenny \n" ); document.write( " |