Question

Rezolvati exercițiul 9
Mulțumesc! DAU COROANA​

Answer 1

$\it S_n=(n-2)\cdot180^o=1080^o|_{:180^o} \Rightarrow n-2=6|_{+2} \Rightarrow n=8$

$\it S_n=(n-2)\cdot180^o=1440^o|_{:180^o} \Rightarrow n-2=8|_{+2} \Rightarrow n=10$