A triangle has sides of length 10, 18 and 16. What is the perimeter of the triangle formed by joining the midpoints of these sides?

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.