How do I do this question​

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Which of the following can be used to explain a statement in a geometric proof?

What is the rate of change between the interval x=pi and x=3pi/2