Which statement about the angles in the figure is true?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

Find the area of the shaded region.