Determinant.s are used to find the arf!a of a triangle whose vertice-s art! given by
Chapter 6, Problem 49(choose chapter or problem)
Determinant.s are used to find the arf!a of a triangle whose vertice-s art! given by three points in a rectangular coordinate system. Tile area of a triangle with verlic~s (x1 ,y 1), (x1 ,y2) , and (x3 ,y3) is 1 x, y, Area - =2 X! y, x, y, where the Jymbol indic~fes that the appropriate sign should be cJwsetJ to yield a positive area. Use this information to work Exercises 49-50. Use dete rminants to find the area of the triangle whose vertices are (3, - 5), (2. 6), and (- 3, 5).
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