Jun 11, 2017
Jun 10, 2017
+501 Hey guys I need help quick, !(-1,n), B(3,5),C(-4,0)andD(0,2) are 4 given points. Find the value of n in each of the following situations: AB//CD AB is perpendicular with CD P(a,1),Q(0,-a,R(2,1)andS(-1,-1) are 4 vertices of a quadrilateral. If PQ // SR,
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