Question

Can we have a triangle of 0 Sq units? What does this mean

Answer 1

It is said that we have a triangle of 0 square units then it means that we havea straight line. As a triangle with no areais a line. ... If the triangle is of 0 square units, then it is a straight line.

Answer 2

Ya, of course.

But it means that the three points of the triangle are collinear,I.e, a straight line is referred to as a triangle with zero area.