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h^2 = b^2 - x^2
h^2 = c^2 - (a-x)^2

b^2 - x^2 = c^2 - x^2 + 2ax - a^2 À̹ǷÎ,
2ax = b^2 - c^2 + a^2
x = (a^2 + b^2 - c^2)/(2a)

x¸¦ À­½Ä¿¡ ´ëÀÔÇϸé,
h^2 = b^2 - ((a^2 + b^2 - c^2)/(2a))^2
h = (b^2 - ((a^2 + b^2 - c^2)/(2a))^2)^(1/2)
  = (1/(2*a))*(4*a^2*b^2 - (a^2+b^2-c^2)^2)^(1/2)

*** Âü°í¹®Çå[References] ***

https://ko.wikipedia.org/wiki/%ED%97%A4%EB%A1%A0%EC%9D%98_%EA%B3%B5%EC%8B%9D
h = (1/(2*a))*(4*a^2*b^2 - (a^2+b^2-c^2)^2)^(1/2)
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º¯¼ö¸í Variable º¯¼ö°ª Value º¯ ¼ö ¼³ ¸í Description of the variable


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