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     ǰ  Q.E.D.: Beauty in Mathematical Proof (ϵĿ, ۹) (ǰ)

  å:Q.E.D.: Beauty in Mathematical Proof (ϵĿ, ۹) (ǰ)
  :Burkard Polster (Illustrator)
  ǻ : Walker & Company
  :64
  ISBN:0802714315
   : NO
  Һڰ:12,000
  ǸŰ:ݹ
  :0
   : 忬 - ʵб г ̻ (12 ̻ )
   :
  | | ǰ 

: õմϴ!   ۾:
   The polygons and polyhedra and circles and spheres  ȸ: 210 / õ : 24
ﰢ = 1/2 X غ X
(area triangle = area rectagle = 1/2 X base X height)
׸ ߳׿.

ﰢ η ڸ, ﰢ Ʒ ̷ ߾
θ , غ η 簢 .

ƸŰ޵ Archimedes ߾׿.
 ߽ ʰ ﰢ(wedges) ߶, Ϸķ ġ,
(radius r) ﰢ ѷ(circumference) ̸ŭ ׷ 龦ؿ.
©, ̻ Ʒ , Xѷ ũ(half of the circumference of the circle) 簢 ׿.
⿣ ﰢ ѹ .
area of circle = 1/2 X circumference of circle X r

ü ֳ׿.


 2010 06 01 23:28:43

ǰ : õ Ʈ :
110811 ۾ 
̸ ȸ õ ۼ
׸ ־ ѵ~~ ä 61 17 2010.10.20
ڴʰ ߰ ŷ! 93 20 2010.09.10
ı ̲ ..^^ Ͽ 82 19 2010.06.05
The polygons and polyhedra and circles and spheres 210 24 2010.06.01
å ֱ׸ 忡 Ÿ ,,,,,,,,, ֱݹ 171 19 2010.03.25
ؼ ϴ ׸ 373 24 2009.09.13
ð ΰ о մϴ. 396 26 2009.09.07
- ø ϵǸ 500 ٷ 밡 帳ϴ. [ڼ Ȯϱ]

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