XXXXX Math 185 - seven bridges of K of watertown mayor k

Seven Bridges of Königsberg - Wikipedia

https://en.wikipedia.org/wiki/Seven_Bridges_of_Königsberg

The Seven Bridges of Königsberg is a historically notable problem in mathematics. Its negative resolution by Leonhard Euler in 1736 laid the foundations of graph theory and prefigured the idea of topology.

‎Euler's analysis · ‎Variations · ‎Present state of the bridges

Activity: The Seven Bridges of Königsberg - Math is Fun

https://www.mathsisfun.com/activity/seven-bridges-konigsberg.html

The town of Königsberg straddles the Pregel River. It was formerly in Prussia, but is now known as Kaliningrad and is in Russia. Königsberg was situated close to the mouth of the river and had seven bridges joining the two sides of the river and also an island and a penins