2. Three mark example problems II

Madhan has to go to Karur from Coimbatore for an official visit. On his onward journey, he goes via Vellakoil to reach Karur. While returning to Coimbatore he travels via Erode. Both the routes travelled by him are given in the below figure. Find the shortest route.

 

 

 

The route via VellakoilErode is the shortest route.