涓�銆侀�夋嫨棰橈紙
3
鈥裁?/p>
10=30
鈥诧級
1
锛庝笅鍒楁�ц川涓紝骞宠鍥涜竟褰㈠叿鏈夎�岄潪骞宠鍥涜竟褰笉鍏锋湁鐨勬槸锛?/p>
锛?/p>
锛?/p>
A
锛庡唴瑙掑拰涓?/p>
360
掳
B
锛庡瑙掑拰涓?/p>
360
掳
C
锛庝笉纭畾鎬?/p>
D
锛庡瑙掔浉绛?/p>
2
锛?/p>
ABCD
涓紝鈭?/p>
A=55
掳锛屽垯鈭?/p>
B
銆佲垹
C
鐨勫害鏁板垎鍒槸锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
135
掳锛?/p>
55
掳
B
锛?/p>
55
掳锛?/p>
135
掳
C
锛?/p>
125
掳锛?/p>
55
掳
D
锛?/p>
55
掳锛?/p>
125
掳
3
锛庝笅鍒楁纭粨璁虹殑涓暟鏄紙
锛?/p>
锛?/p>
鈶犲钩琛屽洓杈瑰舰鍐呰鍜屼负
360
掳锛涒憽骞宠鍥涜竟褰㈠瑙掔嚎鐩哥瓑锛?/p>
鈶㈠钩琛屽洓杈瑰舰瀵硅绾夸簰鐩稿钩鍒嗭紱鈶ｅ钩琛屽洓杈瑰舰閭昏浜掕ˉ锛?/p>
A
锛?/p>
1 B
锛?/p>
2 C
锛?/p>
3 D
锛?/p>
4
4
锛庡钩琛屽洓杈瑰舰涓竴杈圭殑闀夸负
10cm
锛岄偅涔堝畠鐨勪袱鏉″瑙掔嚎鐨勯暱搴﹀彲鑳芥槸锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
4cm
鍜?/p>
6cm B
锛?/p>
20cm
鍜?/p>
30cm C
锛?/p>
6cm
鍜?/p>
8cm D
锛?/p>
8cm
鍜?/p>
12cm
5
锛庡湪
ABCD
涓紝
AB+BC=11cm
锛屸垹
B=30
掳锛?/p>
S
ABCD
=15cm
2
锛屽垯
AB
涓?/p>
BC
鐨勫�煎彲鑳芥槸锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
5cm
鍜?/p>
6cm B
锛?/p>
4cm
鍜?/p>
7cm C
锛?/p>
3cm
鍜?/p>
8cm D
锛?/p>
2cm
鍜?/p>
9cm
6
锛庡湪涓嬪垪瀹氱悊涓紝娌℃湁閫嗗畾鐞嗙殑鏄紙
锛?/p>
锛?/p>
A
锛庢湁鏂滆竟鍜屼竴鐩磋杈瑰搴旂浉绛夌殑涓や釜鐩磋涓夎褰㈠叏绛?/p>
;
B
锛庣洿瑙掍笁瑙掑舰涓や釜閿愯浜掍綑
;
C
锛庡叏绛変笁瑙掑舰瀵瑰簲瑙掔浉绛?/p>
;
D
锛庤骞冲垎绾夸笂鐨勭偣鍒拌繖涓涓よ竟鐨勮窛绂荤浉绛?/p>
.
7
锛庝笅鍒楄娉曚腑姝ｇ‘鐨勬槸锛?/p>
锛?/p>
锛?/p>
A
锛庢瘡涓懡棰橀兘鏈夐�嗗懡棰?/p>
B
锛庢瘡涓畾鐞嗛兘鏈夐�嗗畾鐞?/p>
C
锛庣湡鍛介鐨勯�嗗懡棰樻槸鐪熷懡棰?/p>
D
锛庡亣鍛介鐨勯�嗗懡棰樻槸鍋囧懡棰?/p>
8
锛庝竴涓笁瑙掑舰涓変釜鍐呰涔嬫瘮涓?/p>
1
锛?/p>
2
锛?/p>
1
锛屽叾鐩稿搴斾笁杈逛箣姣斾负锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
1
锛?/p>
2
锛?/p>
1 B
锛?/p>
1
锛?/p>
2
锛?/p>
1 C
锛?/p>
1
锛?/p>
4
锛?/p>
1 D
锛?/p>
12
锛?/p>
1
锛?/p>
2
9
锛庝竴涓笁瑙掑舰鐨勪笁鏉′腑浣嶇嚎鎶婅繖涓笁瑙掑舰鍒嗘垚闈㈢Н鐩哥瓑鐨勪笁瑙掑舰鏈夛紙
锛変釜锛?/p>
A
锛?/p>
2 B
锛?/p>
3 C
锛?/p>
4 D
锛?/p>
5
10
锛庡鍥炬墍绀猴紝鍦ㄢ柍
ABC
涓紝
M
鏄?/p>
BC
鐨勪腑鐐癸紝
AN
骞冲垎鈭?/p>
BAC
锛?/p>
BN
鈯?/p>
AN
锛庤嫢
AB=鈥?4
锛?/p>
鈥C=19
锛屽垯
MN
鐨勯暱涓猴紙
锛?/p>
锛?/p>
A
锛?/p>
2 B
锛?/p>
2.5 C
锛?/p>
3 D
锛?/p>
3.5
浜屻�佸～绌洪锛?/p>
3
鈥裁?/p>
10=30
鈥诧級
11
锛庣敤
14cm
闀跨殑涓�鏍归搧涓濆洿鎴愪竴涓钩琛屽洓杈瑰舰锛岀煭杈逛笌闀胯竟鐨?
姣斾负
3
锛?/p>
4
锛岀煭杈圭殑姣斾负
________
锛岄暱杈圭殑姣斾负
________
锛?/p>
12
锛庡凡鐭ュ钩琛屽洓杈瑰舰鐨勫懆闀夸负
20cm
锛?/p>
涓�鏉″瑙掔嚎鎶婂畠鍒嗘垚涓や釜涓夎褰紝
鈥?/p>
鍛ㄩ暱閮芥槸
18cm
锛?/p>
鍒?/p>
杩欐潯瀵硅绾块暱鏄?/p>
_________cm
锛?/p>
13
锛庡湪
ABCD
涓紝
AB
鐨勫瀭鐩村钩鍒嗙嚎
EF
缁忚繃鐐?/p>
D
锛屽湪
AB
涓婄殑鍨傝冻涓?/p>
E
锛?/p>
鈥?/p>
鑻?/p>
ABCD鈥?/p>
鐨勫懆闀?
涓?/p>
38cm
锛?/p>
鈻?/p>
ABD
鐨勫懆闀挎瘮
ABCD
鐨勫懆闀垮皯
10cm
锛?/p>
鍒?/p>
ABCD
鐨勪竴缁勯偦杈归暱鍒嗗埆涓?/p>
______
锛?/p>
14
锛庡湪
ABCD
涓紝
E
鏄?/p>
BC
杈逛笂涓�鐐癸紝涓?/p>
AB=BE
锛屽張
AE
鐨勫欢闀跨嚎浜?/p>
DC
鐨勫欢闀跨嚎浜庣偣
F
锛庤嫢
鈭?/p>
F=65
掳锛屽垯
ABCD
鐨勫悇鍐呰搴︽暟鍒嗗埆涓?/p>
_________
锛?/p>
15
锛庡钩琛屽洓杈瑰舰涓ら偦杈圭殑闀垮垎鍒负
20cm
锛?/p>
16cm
锛屼袱鏉￠暱杈圭殑璺濈鏄?/p>
8cm
锛?/p>
鈥?/p>
鍒欎袱鏉＄煭杈圭殑璺?
绂绘槸
_____cm
锛?/p>
16
锛?/p>
濡傛灉涓�涓懡棰樼殑棰樿鍜岀粨璁哄垎鍒槸鍙︿竴涓懡棰樼殑
______
鍜?/p>
_______
锛?/p>
鈥?/p>
閭ｄ箞杩欎袱涓懡棰樻槸
浜掍负閫嗗懡棰橈紟
17
锛庡懡棰樷�滀袱鐩寸嚎骞宠锛屽悓鏃佸唴瑙掍簰琛モ�濈殑閫嗗懡棰樻槸
_________
锛?/p>