For a 20-sided regular polygon, find a)Sum of interior angles b) Measure of 1 interior angle c) Sum of exterior angles d) Measure of 1 exterior angle

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.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Find the value of x in the diagram below. select the best answer from the choices provided