rectangle - I have 4 vertices. I have 2 long sides and 2 short sides. , square - I have 4 sides. All my sides are the same. , circle - I am round. I have no sides or vertices., triangle - I have 3 sides and 3 vertices., half-circle - There are 2 of me in a circle., quarter circle - There are 4 of me in a circle.,

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