The coordinates of points A, B, C and D are (h, 4), (7, k), (1, -7) and (2, 1) respectively. If the points A, B, C and D form a parallelogram, find the values of h and k.

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's

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