Where will they meet? Describe in a brief sentence or two the approximate shape of the path taken by each. What is the exact value of the path length of each?

Imagine four ants situated on the four corners of a square window one foot on a side.At the same instant all begin to more at the same rate.The one in the upper right corner heads directly toward the one in the upper left corner.The one in the upper left corner heads directly toward the one in the lower left corner.The one in the lower left corner heads toward the one in the lower right corner.The one in the lower right corner heads toward the one in the upper right corner.All four move on symmetrical paths.