quadrilateral, There are 4 uneven edges, triangle, Trere are 3 sides, rectangle, There are two equally opposite sides, square, There are four equal sides, polygon, There are lots of sides, hexagon, Trere are 6 sides, pentagon, Trere are 5 sides, parallelogram, There are two parallel opposite sides, equal and the same angular measurement.

Geometry

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排行榜

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排行榜

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