xx
瀛︽牎
xx
瀛﹀勾
xx
瀛︽湡
xx
璇曞嵎
濮撳悕
:_____________
骞寸骇
:____________
瀛﹀彿
:______________
棰樺瀷
閫夋嫨棰?/p>
濉┖棰?/p>
绠�绛旈
xx
棰?/p>
xx
棰?/p>
xx
棰?/p>
鎬诲垎
寰楀垎
涓�銆?/p>
xx
棰?/p>
锛堟瘡绌?/p>
xx
鍒嗭紝鍏?/p>
xx
鍒嗭級
璇曢
1:
濡傚浘锛屽湪鈻?/p>
ABC
涓紝宸茬煡
AB
锛?/p>
AC
锛?/p>
AD
鏄珮绾匡紝
BC
锛?/p>
8cm
锛?/p>
鍒?/p>
BD
鐨勯暱绛変簬锛?/p>
锛?/p>
A .6cm
B.8cm
C.5cm
D.4cm
璇曢
2:
濡傚浘锛屽湪鈻?/p>
ABC
涓紝
D
銆?/p>
E
鍒嗗埆鏄?/p>
AB
銆?/p>
AC
杈圭殑涓偣锛屼笖
AB = 10
锛?/p>
AC = 14
锛?/p>
BC = 16
锛屽垯
DE
绛変簬
(
)
A.5
B.7
C.8
D.12
璇曢
3:
濡傚浘锛屾湁
涓ゆ５鏍戯紝涓�妫甸珮
10
绫筹紝鍙︿竴妫甸珮
4
绫筹紝涓ゆ爲鐩歌窛
8
绫筹紝涓�鍙皬楦熶粠涓�妫垫爲鐨勬爲姊?/p>
椋炲埌鍙︿竴妫垫爲鐨勬爲姊紝鍒欏皬楦熻嚦灏戦琛岋紙
锛?/p>
A
锛?/p>
8
绫?/p>
B
锛?/p>
10
绫?/p>
C
锛?/p>
12
绫?/p>
D
锛?/p>
14
绫?/p>
璇勫嵎浜?/p>
寰楀垎