Let A(-2, 1, -1), B(-3, 2, 0), C(-2, 1, 1)

question 87

Essay

Let A(-2, 1, -1), B(-3, 2, 0), C(-2, 1, 1), and D(-1, 0, 0)be the vertices of a parallelogram in that order.
Find the area of the projection of the parallelogram in the xy-plane.

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Definitions:

Bone Marrow

A soft tissue inside bones producing blood cells, including red blood cells, white blood cells, and platelets.

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