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external angle

/ɪkˈstɜːnəl ˈæŋɡəl/

翻译: 多边形的一条边与相邻边的延长线所形成的角,位于图形外部;也泛指两条直线被截线所截时,在截线同侧且在两条直线外部的角。

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phrase

C1formalcommontechnical/ɪkˈstɜːnəl ˈæŋɡəl/

An angle formed outside a polygon or geometric shape, typically between one side of the shape and the extension of an adjacent side.

  • 🇨🇳多边形的一条边与相邻边的延长线所形成的角,位于图形外部;也泛指两条直线被截线所截时,在截线同侧且在两条直线外部的角。
  1. Exterior angle of a polygon B2 formal

    An angle formed by one side of a polygon and the extension of an adjacent side.

    • The sum of the external angles of any polygon is always 360 degrees.
    • To find the external angle, extend one side of the polygon outward.
    • In a triangle, each external angle equals the sum of the two opposite internal angles.

    🇨🇳多边形的外角