The vertices of triangle ABC are A(5, 6, 2), B(6, 12, 9), and C(2, 4, 2). a Use
Chapter 12, Problem 10(choose chapter or problem)
The vertices of triangle ABC are A(5, 6, 2), B(6, 12, 9), and C(2, 4, 2). a Use distances to show that the triangle is right angled. b Hence find the area of the triangle.
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