Architecture
°ÇÃà Architecture


¿ø»ÔÀÇ Ç¥¸éÀû - Surface area of cone

ÀÛ¼ºÀÚ Uploader : rainman ÀÛ¼ºÀÏ Upload Date: 2017-08-04º¯°æÀÏ Update Date: 2017-08-04Á¶È¸¼ö View : 2131

±×¸²°ú °°ÀÌ ¹ÝÁö¸§ÀÇ ±æÀÌ°¡ r, ³ôÀÌ°¡ hÀÎ ¿ø»ÔÀÇ Ç¥¸éÀûÀº (1) ¾Æ·§¸éÀÇ ¿øÀÇ ¸éÀû°ú (2) »ÔÀ» ÀÌ·ç´Â ºÎä²ÃÀÇ ¸éÀûÀ» ÇÕÇÏ¿© ±¸ÇÑ´Ù.

(1) ¾Æ·§¸éÀÎ ¿øÀÇ ¸éÀû (Ac)
 ¢¹ Ac = ¥ð*r^(2)

(2) ºÎä²ÃÀÇ ¸éÀû (As)
 ¢¹ ºÎä²ÃÀÇ ¹ÝÁö¸§ R = (r^(2)+h^(2))^(1/2)
 ¢¹ ºÎä²ÃÀÇ È£ÀÇ ±æÀÌ : L = 2*¥ð*r
 ¢¹ As = (1/2)*R*L = (¥ð*r)*(r^(2)+h^(2))^(1/2)

µû¶ó¼­, ¿ø»ÔÀÇ Ç¥¸éÀû A´Â ´ÙÀ½°ú °°´Ù.

A = ¥ð*r^(2) + (¥ð*r)*(r^(2)+h^(2))^(1/2)

*** Âü°í¹®Çå[References] ***

A = ¥ð*r^(2) + (¥ð*r)*(r^(2)+h^(2))^(1/2)
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