Answer:
16
Step-by-step explanation:
Example:
Consider A vertex. A is connected with two other vertices C and B.
Thus 3 line segments are formed. At A, two pair of intersecting lines are formed, AC & AE ; AE and AB
Each vertex form two pair of intersecting line segments. Totally , there are 8 verteces. So, 8*2 = 16 pair of intersecting lines
