涓�銆佸垽鏂
1.
鑻モ垹
1+
鈭?/p>
2=90
掳锛?/p>
鍒欌垹
1
涓庘垹
2
浜掍綑
.
锛?/p>
锛?/p>
2.
鑻モ垹
A
涓庘垹
B
浜掕ˉ锛?/p>
鍒欌垹
A
+
鈭?/p>
B
=180
掳
锛?/p>
锛?/p>
3.
鑻モ垹
1
涓庘垹
2
浜掕ˉ锛屸垹
2
涓庘垹
3
浜掕ˉ锛屽垯鈭?/p>
1
涓庘垹
3
浜掕ˉ
.
鈥︹�︹�︹�︹�︹�︹�︹�︹�︹�︹�?/p>
锛?/p>
锛?/p>
4.
鑻モ垹
AOB
+
鈭?/p>
BOC
=180
掳锛屽垯鐐?/p>
A
銆?/p>
O
銆?/p>
C
蹇?/p>
鍦ㄥ悓涓�鐩寸嚎涓?/p>
.
锛?/p>
锛?/p>
5.
鑻モ垹
伪
+
鈭?/p>
尾
+
鈭?/p>
纬
=90
掳锛屽垯鈭?/p>
伪
銆佲垹
尾
銆?/p>
鈭?/p>
纬
浜掍綑
.
锛?/p>
锛?/p>
浜屻�佸～绌洪
1.
濡傚浘
1
锛岀洿绾?/p>
l
1
涓?/p>
l
2
鐩镐氦锛屸垹
1=50
掳锛屽垯鈭?/p>
2=_________
锛屸垹
3=_________.
鍥?/p>
1
鍥?/p>
2
2.
濡傚浘
2
锛岀洿绾?/p>
AB
涓?/p>
CD
鐩镐氦浜?/p>
O
鐐癸紝涓斺垹
AOD
=90
掳锛屽垯鈭?/p>
AOC
=
鈭?/p>
______
=
鈭?/p>
______=
鈭?/p>
______=______
掳銆?/p>
3.
濡傚浘
3
锛岃嫢
AO
鈯?/p>
CO
锛?/p>
BO
鈯?/p>
DO
锛屸垹
BOC
=150
掳锛屽垯鈭?/p>
DOC
=________
锛屸垹
AOD
=________.
鍥?/p>
3
鍥?/p>
4
4.
濡傚浘
4
锛岀洿绾?/p>
AB
涓?/p>
CD
鐩镐氦浜?/p>
O
锛屸垹
EOD
=90
掳锛屾纭～鍐欎笅鍒椾袱瑙掑叧绯荤殑鍚嶇О銆?/p>
鈭?/p>
1
涓庘垹
2:______________________________
鈭?/p>
2
涓庘垹
3:______________________________
鈭?/p>
2
涓庘垹
4:______
_ _________________
鈭?/p>
1
涓庘垹
4:______________________________
涓夈�侀�夋嫨棰?/p>
1.
涓ゆ潯鐩寸嚎鐩镐氦浜庝竴鐐癸紝鍒欏叡鏈夊椤惰鐨勫鏁?/p>
涓猴紙
锛?/p>
A.1
瀵?/p>
B.2
瀵?/p>
C.3
瀵?/p>
D.4
瀵?/p>
2.
涓嬮潰璇存硶姝ｇ‘鐨勪釜鏁颁负锛?/p>
锛?/p>
鈶犲椤惰鐩哥瓑
鈶＄浉绛夌殑瑙掓槸瀵归《瑙?/p>
鈶㈣嫢
涓や釜瑙掍笉鐩哥瓑锛屽垯杩欎袱涓涓�瀹氫笉鏄椤惰
鈶ｈ嫢涓や釜瑙掍笉鏄椤惰锛屽垯杩欎袱涓涓嶇浉绛?/p>
A.1
涓?/p>
B.2
涓?/p>
C.3
涓?/p>
D.4
涓?/p>
3.
鑻モ垹
1
鍜屸垹
2
浜掍綑锛屸垹
2
涓庘垹
3
浜掍綑锛屸垹
1=40
掳锛屽垯鈭?/p>
3
绛変簬锛?/p>
锛?/p>
A.40
掳
B.130
掳
C.50
掳
D.140
掳
4.
濡傚浘锛屸垹
1
鍜屸垹
2
鏄椤惰鐨勫浘褰㈡湁锛?/p>
锛?/p>
A.
锛?/p>
1
锛夛紙
3
锛?/p>
B.
锛?/p>
2
锛夛紙
3
锛?/p>
C.
锛?/p>
3
锛?/p>
D.
锛?/p>
3
锛夛紙
4
锛?/p>
鍥涖�佽В绛旈锛?/p>
1.
濡傚浘
5
锛?/p>
AO
鈯?/p>
BO
锛岀洿绾?/p>
CD
缁忚繃鐐?/p>
O
锛屸垹
AOC
=30
掳锛屾眰鈭?/p>
BOD
鐨勫害鏁?/p>
.
鍥?/p>
5
2.
閫夊仛棰橈細
宸茬煡涓�涓鐨勮ˉ瑙掓槸杩欎釜瑙掔殑浣欒
鐨?/p>
4
鍊嶏紝姹傝繖涓
.
搂
2.1
鍙扮悆妗岄潰涓婄殑瑙?/p>