Mathematics, 29.06.2021 17:20 jolleyrancher78

1. In a parallelogram ABCD, three vertices are A(-3,1), B (2,4) and C(3,1). (a) Find the midpoint of the diagonal AC. (b) Find the coordinates of D. (c)the length of the diagonal AC (d) the perimeter of ABCD. 2. Find the area of A PQR where P (0,7), Q (5,-5) and R (10,7).

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1. In a parallelogram ABCD, three vertices are A(-3,1), B (2,4) and C(3,1). (a) Find the midpoint of...