Answer:
number of triangles (n-2)
6
8
11
21
48
sum of angles (n-2)×180°
1080°
1440°
1980°
3780°
8640°
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Answer:
number of triangles (n-2)
6
8
11
21
48
sum of angles (n-2)×180°
1080°
1440°
1980°
3780°
8640°