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從到兩邊等距的點
Author:
arist
請移動 P 點觀察圓與兩邊相切的特性。
GeoGebra
要找一個圓與兩條線相切,此圓的圓心到兩邊距離有何特性呢?
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與兩邊等距的點,會位在這兩邊的對稱軸上,兩條邊的對稱軸與這兩條邊的關係為何?
𝜋
Check my answer
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第八周作业1
平行線的斜率
圓的切線方程
直線的斜率
圓的基本性質
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