Complete the equation describing how x and y are related?

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

41/17 as a decimal rounded to the nearest hundredth

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14