Route 1 from the point P to the Ant S and S to Q. Method 1) point to point P equals s. distances (π r) + r =. =. S point to point Q 2) distance is equal to r.
The route 1 ants walking from the point P to S S to Q and way of thinking 1) point to point S P same distance (π R) r = = 2) S point to point Q. The same distance R .