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Find an expression for the area of a triangle in terms of the coordinates of its angular points.

The Principles of Analytical Geometry: Designed for the Use of Students - Pàgina 68
per Henry Parr Hamilton - 1826 - 326 pàgines
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Challenge and Thrill of Pre-College Mathematics

V Krishnamurthy, C R Pranesachar - 2007 - 708 pàgines

...EXAMPLE 5 Find the area of the triangle formed by A(2, 3), B(3, 0) and C(-4,2). Applying the formula for the area of a triangle in terms of the coordinates of its vertices, we get Area of AABC = \ (2(0 -2) + 3(2 -3) + (-4) (3-0)} =- 19/2. Note that we get area of...

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