Raymond B. answered 08/12/19
Math, microeconomics or criminal justice
C, parallelogram
square has all four sides equal and all 4 angles equal (all right angles)
rhombus has all four sides equal but only opposite angles are equal
rectangle has opposite 2 sides equal and with all 4 angles equal. (all right angles)
Only C seems to fit, parallelogram has opposite sides parallel & equal and opposite angles equal.
Referring to opposite sides as congruent may not be linguistically correct.though