Help it’s a timed quiz

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Which expression gives the area of the triangle shown below