- Aonly (i)
- Bonly (ii)
- C(iii) and (iv)
- D(i) and (ii)
Step-by-Step Solution
A non-square rectangle satisfies (i) and (ii) but its diagonals are not perpendicular and its sides are not all equal, so (iii) and (iv) distinguish the square.
Answer: C) (iii) and (iv)