Help again please? LOL I suck at math so it’s really hard for meh

Pls! does anybody know a shortcut for answering these types of questions in the future?

Identify the number as a rational or irrational.explain. 127

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