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日期:2025-05-06
多邊形對角線是什麼?連結多邊形不相鄰的兩個頂點的線段,叫做 多邊形的對角線。 那麼多邊形和其對角線有什麼關係呢?舉例來說明一下~ 【例如】四邊形、五邊形、六邊形和七邊形各有幾條對角線?...
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日期:2025-05-06
有啲嘢post唔到, click入我個reference度睇啦, 希望幫到你=] 在數學上,對角線有多個定義: 多邊形 在多邊形上,對角線是連結兩個不毗鄰頂點的線段。若且唯若多邊形的對角線在多邊形之內,該多邊形是凸的。...
瀏覽:957
日期:2025-05-03
對角線公式:n(n-3)/2 n=15代入n(n-3)/2 =15*12/2 =15*6 =90(條) 2. 公式:n(n-1)/2 n=13代入n(n-1)/2 =13*12/2 =13*6 =78(條) 002 回答者: 叛。逆≠北鼻瑜〃 ( 初學者 5 級 ) 回答 ......
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日期:2025-05-01
A diagonal is a line joining two nonconsecutive vertices of a polygon or polyhedron. Informally, any sloping line is called diagonal. The word "diagonal" derives from the ancient Greek διαγώνιος diagonios ... ......
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日期:2025-05-02
In geometry a polygon / ˈ p ɒ l ɪ ɡ ɒ n / is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain or circuit. These segments are ......
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日期:2025-05-02
A polygonal diagonal is a line segment connecting two nonadjacent polygon vertices of a polygon. The number of ways a fixed convex n-gon can be divided into triangles by nonintersecting diagonals is C_(n-2) (with C ......
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日期:2025-05-05
1.多邊形對角線的個數: 任意n邊形有n(n-3)/2條對角線....請問這個公式是如何推導或如何解釋...請詳細說明...謝謝 ... 一個N邊形有N個頂點 N(N-3)/2 N是代表每 ......
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日期:2025-05-06
Definition of the diagonals of a polygon, including a formula to calculate the number of them in an n-gon. Includes a cool math applet useful as a classroom activity and manipulative. ... A diagonal of a polygon is a ......