The two shorter sides of a triangle are 9 and 12. what is a possible length to make length of the third side to make the triangle obtuse with obtuse

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.