Can anybody answer these questions for me?

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.

What is the area of the triangle 10 13 12

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer