Yes, the parallelogram objects have Order 2 rotational of symmetry. Parallelogram, is a type of quadrilateral having four sides, its opposite sides are equal and parallel to each other. A parallelogram provides a same view after its rotation.
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This week, Wil takes on a dual set of questions asking about expiration dates on those handy little strips we use to test our blood sugar levels -- and whether there's really any need to respect the stamped-on expiration dates.