There are exactly 12 horizontal and vertical line segments that can connect 2 adjacent dots in the diagram. The greatest number of such line segments that can be drawn without creating a square of any size is

A.
8
B.
9
C.
10
D.
11
Mathematics
Competition
Math League
Exam No:2020 First Round Grade 3 Year:2020 Question No:27

Answer:

B

Knowledge points:

G3 - Geometry - Spatial Reasoning (Tiling)

Solution:

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