¿give me the answer please?

Use the graph of the sine function y=2sinθ shown below

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.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test