Question

if point are colliner then area of angles must be
​

Answer 1

Answer:

Since slopes of any two pairs out of three pairs of points are same, this proves that A, B and C are collinear points. Area of triangle to find if three points are collinear. Three points are collinear if the value of area of triangle formed by the three points is zero.

HOPE IT'S HELPFUL TO YOU...

Answer 2

Answer:

I THINK THE ANSWER IS ZERO