(a) Show that (2, 1, 6), (4, 7, 9), and (8, 5, 6) are the verticesof a right

Chapter 11, Problem 11

(choose chapter or problem)

(a) Show that \((2,1,6),(4,7,9), \text { and }(8,5,-6)\) are the vertices of a right triangle.

(b) Which vertex is at the \(90^{\circ}\) angle?

(c) Find the area of the triangle.

Equation Transcription:

Text Transcription:

(2, 1, 6), (4, 7, 9), (8, 5, -6)

90 degrees

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