What is the minimum number of straight lines that is needed to construct the figure?
A
11
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B
13
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C
15
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D
21
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Solution
The correct option is C 13 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. The figure may be labelled as shown