Which of the following are true?

(a) All squares are rhombi.
(b) All rectangles are parallelograms.
(c) All parallelograms with congruent diagonals are rectangles.
(d) All rhombi with congruent diagonals are squares.
(e) Both (a) and (b) are correct.
(f) Answers (a)–(d) are all correct.


(d) All rhombi with congruent diagonals are squares.

Mathematics

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