1. Find the minimum number of straight lines required to make the given figure.
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By: guest on 02 Jun 2017 01.57 am
The figure may be labelled as shown. The horizontal lines are IJ, AB, EF, MN, HG, DC and LK i.e. 7 in number. The vertical lines are AD, EH, IL, FG, BC and JK i.e. 6 in number. Thus, there are 7 + 6 = 13 straight lines in the figure.