How tall is the mound of cement?

If i have 20$ and i gave 5$ away how much i got

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

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a