I just need number 23 and 25 please show work

Answer: 1080 is an. Octagon, 8 sides
180 is a triangle.
2880 is an 18gon 18 sides
Step-by-step explanation:
Divide the sum of the interior angles by 180 and add 2 to the dividend.
1080/180=>6+2=8
180/180 => 1 +2 =3
2880/180=> 16+2= 18