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Which polygons have at least one pair of parallel sides but are not parallelograms

2 Answers

6 votes
Trapezoids, they have one pair of parallel sides and and can never be a parallelogram
User Shiva Keshav Varma
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12 votes
Trapezoids because it has at least one pair of parallel side and not a parallelogram
User Pankaj Agrawal
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