Respuesta :

For a 30 sided regular polygon, We can divide the polygon (30 sides) into 30 inscribed triangles  with central vertex angles of = [tex]\frac{360}{30} =12^{o}[/tex].

This central vertex angle of 12 degrees is the degree of rotation for a 30 sided polygon.

In other words, the 30 sided polygon has 12 degree rotational symmetry about the center.

 

Answer:

Step-by-step explanation:

12

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