The figure shows three quadrilaterals on a coordinate grid:

A coordinate plane is shown with three quadrilaterals. Figure M has four sides that measure 2 units each. Figure N has four sides that measure 2 units each. Figure O has four sides that measure 4 units each.

Which of the following statements is true about the three quadrilaterals?

M and O are similar and congruent.
O and N are similar and congruent.
M and N are similar but not congruent.
M and O are similar but not congruent.