9000121805

SubArea: 
Polygons
Level: 
B
Project ID: 
9000121805
Source Problem: 
2010015010
Accepted: 
1
Clonable: 
1
Easy: 
1
For a regular pentagon find the interior angle. In the figure a regular pentagon with an interior angle marked in red is shown.
\(108\)
\(144\)
\(112\)
\(72\)