If A (x1, y1), B (x2, y2) and C (x3, y3) are the vertices of a triangle ABC, then its area is given by \(\frac {1}{2}\) {x1 (y2 – y3 ) + x2 (y3 – y1 ) + x3 (y1 – y2 ) }

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Class 10 Maths Practice Test: Coordinate Geometry - Area of Triangle — practice the complete quiz, review flashcards, or try a random question.


If A (x<sub>1</sub>, y<sub>1</sub>), B (x<sub>2</sub>, y<sub>2</sub>) and C (x<sub>3</sub>, y<sub>3</sub>) are the vertices of a triangle ABC, then its area is given by \(\frac {1}{2}\) {x<sub>1</sub> (y<sub>2</sub> – y<sub>3</sub> ) + x<sub>2</sub> (y<sub>3</sub> – y<sub>1</sub> ) + x<sub>3</sub> (y<sub>1</sub> – y<sub>2</sub> ) }