D
C
B
A
E
P
B
D
A
(
P
)
C
鐭╁舰銆佽彵褰€�佹鏂瑰舰涔犻姹囩紪
涓�銆?/p>
濉┖棰?/p>
1.
鍦ㄧ煩褰?/p>
ABCD
涓紝鈭?/p>
AOD=130
掳锛屽垯鈭?/p>
ACB=__ _
2.
宸茬煡鐭╁舰鐨勪竴鏉″瑙掔嚎闀挎槸
8cm
锛屼袱鏉″瑙掔嚎鐨勪竴涓氦瑙掍负
60
掳锛屽垯鐭╁舰鐨勫懆闀夸负
______
3.
鐭╁舰
ABCD
琚袱鏉″瑙掔嚎鍒嗘垚鍥涗釜灏忎笁瑙掑舰锛屽鏋滃洓涓皬涓夎褰㈢殑鍛ㄩ暱鐨勫拰鏄?/p>
86cm
锛?/p>
瀵硅绾挎槸
13cm
锛岄偅涔堢煩褰㈢殑鍛ㄩ暱鏄?/p>
____________
4.
濡傚浘鎵�绀猴紝鐭╁舰
ABCD
涓紝
AE
鈯?/p>
BD
浜?/p>
E
锛屸垹
BAE=30
掳锛?/p>
BE=1cm
锛岄偅涔?/p>
DE
鐨勯暱涓?/p>
_____
5
銆佺洿瑙掍笁瑙掑舰鏂滆竟涓婄殑楂樹笌涓嚎鍒嗗埆鏄?/p>
5cm
鍜?/p>
6cm
锛屽垯瀹冪殑闈㈢Н涓?/p>
___
6
銆佸凡鐭ワ紝鍦?/p>
Rt
鈻?/p>
ABC
涓紝
BD
涓烘枩杈?/p>
AC
涓婄殑涓嚎锛岃嫢鈭?/p>
A=35
掳锛岄偅涔堚垹
DBC=
銆?/p>
7
锛庡凡鐭ヨ彵褰袱鏉″瑙掔嚎鐨勯暱鍒嗗埆涓?/p>
5cm
鍜?/p>
8cm
锛屽垯杩欎釜鑿卞舰鐨勯潰绉槸
______cm
锛?/p>
8
锛庤嫢鑿卞舰鐨勫懆闀夸负
24 cm
锛屼竴涓唴瑙掍负
60掳锛屽垯鑿卞舰鐨勯潰绉负
______ cm
2
銆?/p>
9
锛庡凡鐭ワ細鑿卞舰鐨勫懆闀夸负
40cm
锛屼袱鏉″瑙掔嚎闀跨殑姣旀槸
3
锛?/p>
4
銆傛眰涓ゅ瑙掔嚎闀垮垎鍒槸
銆?/p>
10
銆佸凡鐭ヨ彵褰㈢殑闈㈢Н绛変簬
80cm2
锛岄珮绛変簬
8cm
锛屽垯鑿卞舰鐨勫懆闀夸负
.
11
銆?/p>
濡傚浘锛?/p>
P
涓鸿彵褰?/p>
ABCD
鐨勫瑙掔嚎涓?/p>
涓�
鐐癸紝
PE
鈯?/p>
AB
浜庣偣
E
锛?/p>
PF
鈯?/p>
AD
浜庣偣
F
锛?/p>
PF=3cm
锛?/p>
鍒?/p>
P
鐐瑰埌
AB
鐨勮窛绂绘槸
_____
cm
12
銆佸鍥撅紝鑿卞舰
ABCD
鐨勪袱鏉″瑙掔嚎鍒嗗埆闀?/p>
6
鍜?/p>
8
锛岀偣
P
鏄瑙掔嚎
AC
涓婄殑涓�涓姩鐐癸紝鐐?/p>
M
銆?/p>
N
鍒嗗埆鏄竟
AB
銆?/p>
BC
鐨?/p>
涓偣锛屽垯
PM
+
PN
鐨勬渶灏忓�兼槸
_______
锛?/p>
13
銆?/p>
鈻?/p>
ABCD
鐨勫瑙掔嚎
AC
涓?/p>
BD
鐩镐氦浜庣偣
O
锛?/p>
锛?/p>
1
锛夎嫢
AB=AD
锛屽垯
鈻?/p>
ABCD
鏄?/p>
褰紱
锛?/p>
2
锛夎嫢
AC=BD
锛屽垯
鈻?/p>
ABCD
鏄?/p>
褰紱
锛?/p>
3
锛夎嫢鈭?/p>
ABC
鏄洿瑙掞紝鍒?/p>
鈻?/p>
ABCD
鏄?/p>
褰紱
锛?/p>
4
锛夎嫢鈭?/p>
BAO=
鈭?/p>
DAO
锛屽垯
鈻?/p>
ABCD
鏄?/p>
褰€�?/p>
14.
濡傚浘锛屽皢涓ゅ紶闀夸负
8
锛屽涓?/p>
2
鐨勭煩褰㈢焊鏉′氦鍙夛紝浣块噸鍙犻儴鍒嗘槸涓�涓彵褰紝瀹规槗鐭ラ亾褰撲袱寮犵焊鏉″瀭鐩存椂锛?/p>
鑿卞舰鐨勫懆闀挎湁鏈�灏忓�?/p>
8
锛岄偅涔堣彵褰㈠懆闀跨殑鏈�澶у�兼槸
锛?/p>
15
锛庡鍥撅紝鏂规牸绾镐腑
4
涓皬姝ｆ柟褰㈢殑杈归暱鍧囦负
1
锛屽垯鍥句腑闃村奖閮ㄥ垎涓変釜灏忔墖褰㈢殑闈㈢Н鍜屼负
锛堢粨鏋滀繚鐣櫹�锛?/p>
锛?/p>
16.
濡傚浘锛屾鏂瑰舰
ABCD
杈归暱涓?/p>
1
锛屽姩锛屾部姝ｆ柟褰㈢殑杈规寜閫嗘椂閽堟柟鍚戣繍鍔紝褰撳畠鐨勮繍鍔ㄨ矾绋嬩负
2009
鏃讹紝鐐?/p>
P
鎵�鍦ㄤ綅缃负
______
锛涘綋鐐?/p>
P
鎵�鍦ㄤ綅缃负
D
鐐规椂锛岀偣
P
鐨勮繍鍔ㄨ矾绋嬩负
______
锛堢敤鍚嚜鐒舵暟
n
鐨勫紡瀛愯〃绀猴級
锛?/p>
B
C
A
D
O
绗?/p>
4
棰?/p>
绗?/p>
12
棰?/p>
绗?/p>
11
棰?/p>
绗?/p>
14
棰?/p>
绗?/p>
21
棰?/p>
绗?/p>
20
棰?/p>
绗?/p>
16
棰?/p>
绗?/p>
15
棰?/p>