- A3
- B1
- C4
- D2
Step-by-Step Solution
Area = | = 0, so . With .
Answer: D) 2
The points (a,0), (0,b) and (1,1) are collinear with a, b not zero.
If a = 2, the area condition forces the triangle area to be zero; find b.
Class 10Area of a Triangle (Coordinates)Geometry — Coordinates
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