If P is a polygon, what is the shape of the polygon?
1. P has 15 diagonals.
2. When P is regular, each exterior angle is 60º.
The OA is D.
Experts, how can I prove that statement 2 alone is sufficient? May you give me some help?
1. P has 15 diagonals.
2. When P is regular, each exterior angle is 60º.
The OA is D.
Experts, how can I prove that statement 2 alone is sufficient? May you give me some help?