In the land of Pi, there are six cities arranged in a circle. Each city is connected to every other city by a straight road. How many roads are there?

Answer 1

each of the six cities is connected to five others

but the road from A to B , is the same as the road from B to A

Answer 2

The question basically becomes: How many diagonals does a hexagon have
which would be C(6,2) or 15

Answer 3

diagonals vs sides?

Answer 4

thanks R_scott for picking up on that.
Forgot to subtract the 6 sides from that total