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(1)¼¼º¯ÀÇ ±æÀ̸¸ ¾Ë°íÀÖ´Â µÐ°¢»ï°¢Çü¿¡¼­ "obute"´Â obtuseÀÇ pypoÀÌ°í

(2) "Çì·ÐÀÇ Á¤¸®"A=sqrt(s(s-a)(s-b)(s-c))¸¦ ÀÌ¿ëÇؼ­ ¸éÀû°è»êÇÒ ¶§ ¸Ç¹ØÁÙ¿¡´Â s=(a+b+c)/2¸¦ Á¤ÀÇÇØ¾ß Çϴµ¥ ¸éÀû°è»ê¿¡ »ç¿ëÇÏ´Â °Íó·³ ¾²¿©ÀÖ½À´Ï´Ù. 

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¿î¿µÀÚ ¿î¿µÀÚ   39-08-02 00:00
¼öÁ¤ÇÏ¿´½À´Ï´Ù. ^^
Stefano Stefano   39-08-02 00:00
Ãß°¡·Î..
´ÜÀ§È¯»êÀÇ ¾Ð·Â´ÜÀ§ ȯ»êÇ¥ ¹Ø¿¡ ½áµÐ
1 §¸/§² = 10.33 mH©üo
1 Mpascal = 9.9 §¸/§²
´Â °¢°¢
1 kgf/cm2 = 10,000 kgf/m©÷= (10,000/1000) mH2O = 10 mH2O
1 MPa=10^6 N/m©÷=(10^6/9.80665 ) kgf/m2 = 101971.6 kgf/m2
  =10.19716 kgf/cm2
·Î °íÃÄÁÖ¼¼¿ä.
¿î¿µÀÚ ¿î¿µÀÚ   39-08-02 00:00
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