Question

find the area of the triangle formed by the points A(1,-2), B(2,3) and C(-4,-3) also find the altitude from C on the side AB

Answer 1

=1/2|1(3+3)+2(-3+2)-4(-2-3)|
=1/2|6-2+20|
=1/2|24|
=12 sq. units

Answer 2

so 12 is the area of triangle