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What is Kurrah's Theorem?

 
 
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Re: What is Kurrah's Theorem?
ChengAlan - 2019年11月26日 Tuesday 18:40
 

It's a theorem in geometry.

Draw triangle ABC. Construct D, E on AC with <ABC = <ADB = <BEC. Kurrah's Theorem states that

AB^2 + BC^2 = AC(AD+CE).