decagon
常见例句
- Take 10 golden triangles, arrange them with their sharp points touching, and you have a golden decagon, fitting perfectly within the iris of the eye, vertices neatly touching the rim.
畫10個金三角,把它們的頂點挨著排好,然後你就得出一個金十邊形,與瞳孔中的虹膜完美地一致,十邊形的最早點正好在眼眶。 - how many diagonals are there is a decagon?????
一個十角形中有多少條對角線? - regular decagon
正十邊形 返回 decagon