4.6
瑙?/p>
浣欒鍜岃ˉ瑙?/p>
鐭ヨ瘑鎶�鑳界洰鏍?/p>
1.
鐞嗚В涓よ浜掍綑銆佷簰琛ョ殑姒傚康锛?/p>
2.
浼氭眰涓�涓凡鐭ヨ鐨勪綑瑙掋�佽ˉ瑙掞紱
3.
鎺屾彙绛夎鐨勪綑
(
琛?/p>
)
瑙掔浉绛?/p>
.
杩囩▼鎬х洰鏍?/p>
閫氳繃瑙掔殑鍓茶ˉ锛屼綋浼氫袱瑙掍簰浣欏強浜掕ˉ鐨勬剰涔?/p>
.
鏁欏杩囩▼
涓�锛庡垱璁炬儏澧?/p>
甯?/p>
锛?/p>
涓婅妭璇炬垜浠煡閬撲袱涓涔嬮棿鍙互澶у皬姣旇緝锛?/p>
鍙互杩涜瑙掍箣闂村害鏁扮殑杩愮畻锛?/p>
閭ｄ箞涓嬪浘
涓垹
伪
+
鈭?/p>
尾
绛変簬澶氬皯搴︼紵
鐢?/p>
锛?/p>
鈭?/p>
伪
+
鈭?/p>
尾
=90掳.
甯?/p>
锛氫綘鎬庝箞鐭ラ亾鐨勶紵
鐢?/p>
锛氳瀵熷悗锛屼及璁″嚭鏉ョ殑
.
甯?/p>
锛氬涓嶅鍛紵鍘绘祴閲忎竴涓嬪氨鏅撳緱锛堟暀甯堝埄鐢ㄥ嚑浣曠敾鏉夸腑鐨勬祴閲忓拰璁＄畻鍔熻兘鑾峰緱锛?/p>
.
甯?/p>
锛氳繖浣嶅悓瀛︿及璁″緱寰堝噯锛屾劅瑙夐潪甯稿ソ
.
鎴戞墜閲屽張甯︽潵浜嗕袱涓鈭?/p>
1
銆佲垹
2
锛屽畠浠殑鍜岀瓑
浜庡灏戝害锛?/p>
鐢?/p>
锛氣垹
1+
鈭?=90掳锛堟妸涓や釜瑙掍氦缁欏鐢燂紝璁╁鐢熸妸涓や釜瑙掓嫾鍦ㄤ竴璧凤紝
鍐嶈窡涓夎灏轰腑鐨勭洿
瑙掓瘮杈冭幏寰楋級
.
甯?/p>
锛氭垜浠湅鍒扳垹
1
鍜屸垹
2
涓や釜瑙掔殑鍜岀瓑浜?/p>
90掳锛堢洿瑙掞級锛屾垜浠氨璇磋繖涓や釜瑙?/p>
浜掍负浣欒
锛?/p>
complementary angle
锛?/p>
,
绠�绉?/p>
浜掍綑
锛?/p>
甯?/p>
锛氬鏋溾垹
1+
鈭?=90掳锛屼篃鍙互璇粹垹
1
鏄垹
2
鐨勪綑瑙掞紝鈭?/p>
2
涔熸槸鈭?/p>
1
鐨勪綑瑙掞紟
甯?/p>
锛氳鍚屽浠�濊�冧竴涓棶棰橈細鑻ヤ竴涓涓?/p>
35掳,鍒欏畠鐨勪綑瑙掓槸
________
锛涜嫢涓�涓涓?/p>
56.12掳,鍒欏畠鐨勪綑瑙掓槸
________
锛?/p>
鐢?/p>
A
锛?5掳鐨勪綑瑙掓槸
55掳锛?/p>
甯?/p>
锛氫綘鏄浣曟兂鐨勫憿锛?/p>
鐢?/p>
A
锛氭垜鏄繖鏍锋兂鐨勶紝姹?/p>
35掳鐨勪綑瑙掑彧瑕佺敤
90掳鍑忓幓
35掳锛屾墍浠ュ畠鐨勪綑瑙掓槸
55掳锛堣
瀛︾敓璇村嚭鎬濊�冭繃绋嬶級
.