triangle - 3 sides , quadrilateral - 4 sides, pentagon - 5 sides, hexagon - 6 sides, heptagon - 7 sides, octagon - 8 sides, nonagon - 9 sides, decagon - 10 sides,

Polygons by Number of Sides

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?