Asked by lily

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?
Answered by R_scott
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
Answered by Reiny
The question basically becomes: How many diagonals does a hexagon have
which would be C(6,2) or 15
Answered by R_scott
diagonals vs sides?
Answered by Reiny
thanks R_scott for picking up on that.
Forgot to subtract the 6 sides from that total
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