How many squares are in the next step? How many squares are in the 20thstep? In the step?

“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 .

Is a for each hour he works,his earnings go up by $4