颜色和形状 - 多边形

阅读本课，学习多边形的英文名称，例如“凸多边形”、“七边形”和“十六边形”。

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[名词]

a geometric shape with five angles and five straight sides

五边形, 五角形

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[名词]

(geometry) a closed shape with six straight sides and six angles

六边形, 六角形

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[名词]

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

七边形, 七角形

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[名词]

(geometry) a polygon consisting of eight straight sides and eight angles

八边形, 八角形

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[名词]

(geometry) a flat polygon with ten straight sides and ten angles

十边形, 十角形

Ex: The children were challenged to draw a decagon during their geometry class .

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[名词]

a five-pointed star

五角星, 五芒星

Ex: She drew pentagram on the front of her notebook .

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[名词]

a three-sided geometric shape

三边形, 三角形

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颜色和形状