What are all the polygons that have congruent diagonals

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

What is the radical expression that is equivalent to the expression 27 1 over 5?