(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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