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Mathematics 16 Online
OpenStudy (anonymous):

Which statement is true? a. All quadrilaterals are parallelograms. b. All parallelograms are quadrilaterals. c. All rectangles are squares. d. All parallelograms are rectangles

OpenStudy (studystagram):

B.

OpenStudy (ipwnbunnies):

A quadrilateral is some shape with 4 sides. A parallelogram has at least 4 sides, so it's a quadrilateral. :3

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