An airline offers multiple meal options to passengers on it’s flights and keeps track of how many are ordered over time. What is the measure of the central angle in the “Chicken section”

Airplane meal options:
Beef 30%
Chicken 35%
Fish35%

Icould really use some with this question.

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

What is the value of x? assume that the line is tangent to the circle.