尺規作圖 | Compass-and-straightedge Construction

影片內容:

00:05 – 咩係尺規作圖? | what is it?
00:58 – 角平分線 | angle bisector
02:51 – 垂直平分線 | perpendicular bisector
05:04 – 等邊三角形 | equilateral triangles
06:23 – 正六邊形 | regular hexagon

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