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Algebra 9 Online
OpenStudy (anonymous):

Can someone please explain this to me. The four vertices of a rectangle drawn on a complex plane are defined by 1 + 4i, -2 + 4i, -2 – 3i, and 1 – 3i. What is the area?

OpenStudy (anonymous):

The complex numbers you're given are essentially the coordinates (1, 4), (-2, 4), (-2, -3), and (1, -3) on a grid. So you'd have this: |dw:1434027220500:dw|

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