WHO created this geometry theory?

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SUMMARY

The discussion centers around a geometry theory involving the relationship between a semicircle and a rectangle, specifically the semicircle EBIG and its comparison to the rectangle ACJD and the cutoff cone ACHF. The original poster expresses skepticism about the validity of the theory, questioning the mathematical accuracy of equating the area of a semicircle to that of a triangle. The conversation highlights the need for further clarification on the origins and validity of this geometric concept.

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meee
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http://www.freakinbananas.com/maths.jpg

ok the theory says something like...

the semicircle EBIG = the difference between the rectangle ACJD and the cutoff cone ACHF

not sure if this is some important thing or anything?

but if it is,

who made it and where can i get some info bout it?
 
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But it looks false to me...Basically you're stating that half of the small semicircle cutoff equals one of the side triangles...but the height is equal...almoust, the base of half is a lot bigger, and a semicircle attracts more surface than a triangle...in the curve vs oblique line.

I see it as not true to be honest...but that's only by looknig at the picture.
 
ok thanks that is all. no more comment needed
 

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