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Mathematics, 17.09.2019 17:30 Alex9089435028

Which statement is sometimes, but not always, true?
a.
a parallelogram is a rhombus.
b.
a rhombus is a quadrilateral.
c.
a trapezoid is a square.
d.
a square is a rectangle.

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Which statement is sometimes, but not always, true?
a.
a parallelogram is a rhombus.

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