Q89Long answer
Perimeter of a parallelogram shaped land is 96 m and its area is 270 square metres. If one of the sides of this parallelogram is 18 m, find the length of the other side. Also, find the lengths of altitudes l and m (Fig. 9.42). Fig. 9.42 Circles What is the maximum number of times that six circles of the same size can intersect? To find the answer, start by drawing two circles that are of the same size. What is the greatest number of times they can intersect? Add another circle, and another, and so on. 15-04-2018
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l = 9m, and m = 15m, other side = 30m