Mathematics, 30.03.2020 19:27, alflores27p91de1

4.) Quadrilateral ABCD has coordinates A ( 0,0), B( 6a, 3b), C ( 3a, 4b), D (a, 3b).
(a) Using coordinate geometry, show that.
(1) AB II CD
(2) AD is not parallel to BC

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4.) Quadrilateral ABCD has coordinates A ( 0,0), B( 6a, 3b), C ( 3a, 4b), D (a, 3b).
(a) Using...