Question

Find the area of the triangle formed by the points (- 1.5,3) (6,2)(-3,4)
plot these points a graph what do you observe

Answer 1

$1 \div 2(x1 < y2 - y3 > + x2 < y3 - y1 > + x3 < y1 - y2 >$
by this area of triangle formula you will get the answer = -19.5