In an n sides regular polygon the radius of the circum-circle is equal in length to the shortest diagonal, then n is
A. 6
B. 8
C. 12
D. Such a polygon does not exist
Answer:C
In an n sides regular polygon the radius of the circum-circle is equal in length to the shortest diagonal, then n is
A. 6 B. 8 C. 12 D. Such a polygon does not exist