Question

7 Which of these is DEFINITELY a square?
1 A rectangle with its diagonals equal.
2 A rectangle with its diagonals equal and bisect each other.
3 A quadrilateral with diagonals equal and perpendicular to each other.
4 A parallelogram with its sides equal and diagonals perpendicular to each other.​

Answer 1

Answer:

(3) A quadrilateral with diagonals equal and perpendicular to each other

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