NCERT Exercise 4.2 Q1 - Determinants

Question: Find the area of the triangle with vertices (i) (1,0),(6,0),(4,3); (ii) (2,7),(1,1),(10,8); (iii) (-2,-3),(3,2),(-1,-8).

Answer: (i) 15/2; (ii) 47/2; (iii) 15.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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