Let A(1, -2, -1), B(-1, -4, 0), C(0, -2, 1)

question 22

Short Answer

Let A(1, -2, -1), B(-1, -4, 0), C(0, -2, 1), and D(2, 0, 0)be the vertices of a parallelogram in that order.
Find the area of the parallelogram to 4 decimal places.

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