Zane is putting the strings on 555 harps. Each harp has 484848 strings.

576577 is the right answer and the right to

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .