Euclid's Elements - Book III, Proposition 19

A line drawn perpendicular to a tangent line at the point of tangency will pass through the center of the circle.

 

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資源型態
活動
標籤
circle  element  euclid 
適合年齡
15 – 18
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English (United States)
 
 
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4.2
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2808
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