9000121803

SubArea: 
Polygons
Level: 
B
Project ID: 
9000121803
Accepted: 
1
Clonable: 
0
Easy: 
1
Consider a regular polygon with the central angle of 24∘. In the figure the cut of a regular polygon with unspecified number of vertices is shown. The red angle is the central angle of the polygon. Find the number of diagonals in this polygon.
90
15
72
45