Is osceles triangle ABC is shown below with legs that measure 8 inches and a vertex angle of 50D. (a) Determine the area of ABC ' . Note that you will need to use right triangle trigonometry. Round to the nearest tenth of a square inch. (b) Determine the area of the circular sector. Again, round to the nearest tenth of a square inch. (c) Using your answers from (a) and (b), determine the area of the shaded region