PLEASE HELP ASAP
Seth is using the figure below to prove the Pythagorean theorem using triangle similarity. In the given triangle ABC, angle A is 90 degrees and segment AD is perpendicular to segment BC.
Part A: identify a pair of similar triangles.
Part B: Explain how you know the triangles from part A are similar
Part C: If DB =9 and DC=4, find the length of segment DA. Show your work
