Resposta :
[tex]n = 360 \div 24 = 15 \\ \\ d = n \times (n - 3)\2 \\ d = 15 \times (15 - 3)\2 \\ d = 15 \times 12\2 \\ d = 180\2 \\ d = {\red{90}} \\ \\ \: \: \: \: \: \: \: \: \: \mathbf{resposta} > > > \boxed{A: \: 90 \: diagonais}[/tex]
[tex]n = 360 \div 24 = 15 \\ \\ d = n \times (n - 3)\2 \\ d = 15 \times (15 - 3)\2 \\ d = 15 \times 12\2 \\ d = 180\2 \\ d = {\red{90}} \\ \\ \: \: \: \: \: \: \: \: \: \mathbf{resposta} > > > \boxed{A: \: 90 \: diagonais}[/tex]