(Someone please help me ASAP I’ll mark you brainiest) Find the measure of angle

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

To decrease an amount by 16% what single multiplier would you use

Tan198=asin164=? how to solve this? ?