Question

Justin uses 4 right angles to draw a polygon. How many different polygons can he make?

Answer 1

He can make 4 
this is from macmiller

Answer 2

He can make an infinite number of different polygons,
as long as each one has more than 3 sides.

If the polygon has four sides, then it's always a parallelogram
and a rectangle, and it might also be a square.