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? (4 points)

a
M and O are similar and congruent.

b
O and N are similar and congruent.

c
M and N are similar but not congruent.

d
M and O are similar but not congruent.