149- In the graph of a regular 3-faced polyhedron, how many cycles of length 4 exist? [Figure: regular polyhedron graph] (1) $6$ (2) $7$ (3) $8$ (4) $9$
\textbf{149-} In the graph of a regular 3-faced polyhedron, how many cycles of length 4 exist?
\textit{[Figure: regular polyhedron graph]}
(1) $6$
(2) $7$
(3) $8$
(4) $9$
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