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正四面体的外接球
Author:
张中强
观察、操控下面的图形,思考问题
若正四面体边长为
,则正四面体外接球的直径是多少?
𝜋
Check my answer
正方体与外接球
GeoGebra
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判斷球體
兩組對邊相等和有直角的四邊形
找出對稱軸
sanjiaohanshu
四邊形的特性
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MFS Pyth Thm 1
體積的量度 3
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定理介紹:切線性質 | Tangent Properties
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