1. What is the minimum number of straight lines that is needed to construct the 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 AE and JF i.e. 2 in number. The vertical lines are AJ, CH and EF i.e. 3 in number. The slanting lines are AG, BF, JD, IE, AB, DE, JI and FG i.e. 8 in number. Total number of straight lines needed to construct the figure = 2 + 3 + 8 = 13.