Find the measure of the angle in red.

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.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Nikolas calculated the volume of the prism. his work is shown below.