If you actually answer the question and do not give me some bogus answer(ex: I do not know) I will mark as brainliest to whoever can help me the most and I will also give 100 pts. The diagram below models the layout at a carnival where G, R, P, C, B, and E are various locations on the ground. GRPC is a parallelogram.
(look at file I provided. If you cannot access it please let me know.)

Part A: identify a pair of similar triangles
Part B: Explain how you know the triangles from Part A are similar
Part C: Find the distance from B to E and from P to E. Show your work.