Find the values of k so that the area of the triangle with vertices (k + 1, 1), (4, -3) and (7, -k) is 6 sq. units.
Let A(k + 1, 1), B(4,-3) and c(7,-k) are the vertices of the triangle.
Given that the area of the triangle is 6sq. units.
Area of the triangle is given by
Concept: Area of a Triangle
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