Complete each congruence statement by naming the corresponding angle or side.

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.

One integer is 8 times another. if the product is 72, then find the integers

Can any one me with the answers to these questions asap?