Which is the best definition of a square?

A.
a 4-sided polygon with all sides equal

B.
a parallelogram with all sides equal and all angles equal

C.
a combination of a rectangle and a trapezoid

D.
a 4-sided polygon with all angles equal

Question

Which is the best definition of a square?
 
 A.
a 4-sided polygon with all sides equal
 
 B.
a parallelogram with all sides equal and all angles equal
 
 C.
a combination of a rectangle and a trapezoid
 
 D.
a 4-sided polygon with all angles equal

tkhunny · Answer

Reason out each one...
A: Could be a rhombus.
B: Seems pretty good.
C: I don't even know what that means.  Will they be having children?
D: Could be a rectangle.