A triangular pyramid has four congruent faces. The triangular face measures 11 inches high and 8 inches across the base. What is the total surface area of the pyramid?

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.