brazil-enem 2024 Q162

brazil-enem · Other · enem__day2 Combinations & Selection Geometric Combinatorics
The number of diagonals of a polygon with 8 sides is:
(A) 16
(B) 18
(C) 20
(D) 22
(E) 24
The number of diagonals of a polygon with 8 sides is:

\noindent(A) 16\\
(B) 18\\
(C) 20\\
(D) 22\\
(E) 24