- A0 sq units; the points are collinear
- B8 sq units; a valid triangle
- C4 sq units; a thin triangle
- D12 sq units; a valid triangle
Step-by-Step Solution
Area = |-4 + 24 - 20| = 0. The three points lie on one line, so no triangle exists.
Answer: A) 0 sq units; the points are collinear