Architecture
°ÇÃà Architecture


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ÀÛ¼ºÀÚ Uploader : ppippi ÀÛ¼ºÀÏ Upload Date: 2019-08-10º¯°æÀÏ Update Date: 2019-08-10Á¶È¸¼ö View : 343

»ï°¢Çü ABC ÀÇ °¢À» °¢°¢ A, B, C ¶ó°í ÇÏ°í, »ï°¢Çü ABC¿¡ ¿ÜÁ¢ÇÏ´Â ¿øÀÇ ¹ÝÁö¸§À» R À̶ó ÇÒ ¶§, »ï°¢ÇüÀÇ ¸éÀû S ´Â ´ÙÀ½°ú °°´Ù.

S = 2*R^2*sin(A)*sin(B)*sin(C)

°¢ A, B, C ¿Í ¸¶ÁÖº¸´Â º¯ÀÇ ±æÀ̸¦ a, b, c ¶ó Çϸé, »çÀÎ ¹ýÄ¢¿¡ ÀÇÇÏ¿©,

b = 2*R*sin(B)
c = 2*R*sin(C)

S = (1/2)*b*c*sin(A) À̹ǷÎ,
  = 2*R^2*sin(A)*sin(B)*sin(C) °¡ µÈ´Ù.

C = 180 - (A+B) À̹ǷÎ

S = 2*R^2*sin(A)*sin(B)*sin(180 - (A+B))

*** Âü°í¹®Çå[References] ***

S = 2*R^2*sin(A)*sin(B)*sin(180 - (A+B))
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