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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Question:Does a life jacket expire? Answer: There is no expiration date but you should learn to inspect your PFDs (Personal Flotation Devices) as seen below I will show you some of the things we look for when checking them. If you have torn, worn and rotted PFDs you may say they have expired.