I have 4 equal, parallel sides - Square, I am a polygon with 3 sides - Triangle, I have 2 pairs of parallel sides, one pair is longer than the other - Rectangle, I am a quadrilateral with 2 pairs of parallel sides  - Parallelogram, I have a radius and one side - Circle , I have 1 curved side and one straight side - Semi-circle, I am a quadrilateral with one pair of parallel sides - Trapezium, I am a polygon with 5 sides - Pentagon, I am a polygon with 6 sides - Hexagon, I am a polygon with 8 sides - Octagon,

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