Consider the points below. P(0, −2, 0),    Q(6, 1, −2),    R(7, 4, 1) (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. (b) Find the area of the triangle PQR.

Algebra and Trigonometry (MindTap Course List)
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Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter9: Vectors In Two And Three Dimensions
Section9.CT: Chapter Test
Problem 10CT
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Consider the points below.

P(0, −2, 0),    Q(6, 1, −2),    R(7, 4, 1)

(a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R.

(b) Find the area of the triangle PQR.

 

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