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等邊三角形中的一點到三條邊的距離
Autore:
GeoGebra Institute of Hong Kong
課業 2.5
下圖顯示等邊三角形中的一點 P 與邊 AB 的距離。 構作由 P 到 BC 及 AB 的距離。 這三個距離之和有甚麼特性? 你能夠解釋嗎? 將你的構作和答案以 "2.5
_
yourname
.ggb" 的檔案名稱儲存,其中
yourname
是你的英文名字,然後連本節同其他課業的答案以標題 "Lesson 2 Answers" 電郵至
geogebra.hk@gmail.com
。
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