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What is the area in square units of the convex quadrilateral with vertices (-1, 0), (0, 1), (-2, 0) and (0, -3)?

 Jan 3, 2022
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First you need to graph the points....

   then, I would calculate the entire rectangular area..... then subtract the two areas of the red right triangles for a final result:

 

 Jan 4, 2022

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