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Coordinate geometry › Area from coordinates › Area from coordinates

Area of a space quadrilateral

High school · ●●○○○ 20 pts

The points A=(3,−4,2)A = (3,-4,2), B=(5,−8,5)B = (5,-8,5), C=(4,−3,0)C = (4,-3,0), and D=(6,−7,3)D = (6,-7,3) in space form a flat quadrilateral. Find the area of this quadrilateral. Round to two decimal places.

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vectors in spacecross productarea of parallelogram