Consider the points below. P(0, -2, 0), Q(5, 1, -2), R(6, 3, 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.
Added by Jason Z.
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We can do this by finding the difference between the coordinates of the points. Vector PQ = Q - P = (5 - 0, 1 - (-2), -2 - 0) = (5, 3, -2) Vector PR = R - P = (6 - 0, 3 - (-2), 1 - 0) = (6, 5, 1) (a) Show more…
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