Mathematics, 12.05.2021 19:30, Geo777

Given quadrilateral EFGH with vertices at E(-4, 8), F (8, 4), G(5, -5 ) and H (-7, 1) , prove using coordinate geometry that EFGH is a rectangle. Note that there are a few different methods that work.

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Given quadrilateral EFGH with vertices at E(-4, 8), F (8, 4), G(5, -5 ) and H (-7, 1) , prove using...