1
4
锛?/p>
5
鐩镐技涓夎褰㈠垽瀹氬畾鐞嗙殑璇佹槑
涓�銆侀�夋嫨棰?/p>
1.
涓嬪垪璇彞姝ｇ‘鐨勬槸
(
)
A.
鍦?/p>
鈻?/p>
ABC
鍜屸柍
A
鈥?/p>
B
鈥?/p>
C
鈥?/p>
涓?/p>
,
鈭?/p>
B
=
鈭?/p>
B
鈥?90掳,
鈭?/p>
A
=30掳
,
鈭?/p>
C
鈥?60掳,
鍒欌娍
ABC
鍜屸娍
A
鈥?/p>
B
鈥?/p>
C
鈥?/p>
涓嶇浉浼?/p>
;
B.
鍦ㄢ娍
ABC
鍜屸娍
A
鈥?/p>
B
鈥?/p>
C
鈥?/p>
涓?/p>
,
AB
=5,
BC
=7,
AC
=8,
A
鈥?/p>
C
鈥?16,
B
鈥?/p>
C
鈥?14,
A
鈥?/p>
B
鈥?10,
鍒欌娍
ABC
鈭解娍
A
鈥?/p>
B
鈥?/p>
C
鈥?
C.
涓や釜鍏ㄧ瓑涓夎褰笉涓�瀹氱浉浼?/p>
;
D.
鎵�鏈夌殑鑿卞舰閮界浉浼?/p>
2.
濡傚浘锛?/p>
鍦ㄦ涓夎褰?/p>
ABC
涓紝
D
銆?/p>
E
鍒嗗埆鍦?/p>
AC
銆?/p>
AB
涓婏紝
涓?
AC
AD
锛?/p>
3
1
锛?/p>
AE
锛?/p>
BE
锛?/p>
鍒欐湁
锛?/p>
锛?/p>
A.
鈻?/p>
AED
鈭解柍
BED
B.
鈻?/p>
AED
鈭解柍
CBD
C.
鈻?/p>
AED
鈭解柍
ABD
D.
鈻?/p>
BAD
鈭解柍
BCD
( 3
棰?/p>
)
(4
棰?/p>
)
3
锛庡凡鐭ワ細濡傚浘锛屸垹
ADE
锛濃垹
ACD
锛濃垹
ABC
锛屽浘涓浉浼间笁瑙掑舰鍏辨湁锛?/p>
锛?/p>
A.1
瀵?/p>
B.2
瀵?/p>
C.3
瀵?/p>
D.4
瀵?/p>
4.
涓夎褰笁杈逛箣姣斾负
3:5:7,
涓庡畠鐩镐技鐨勪笁瑙掑舰鐨勬渶闀胯竟涓?/p>
21
cm
,
鍒欏叾浣欎袱杈逛箣鍜屼负
(
)
A.32cm
B.24cm
C.18cm
D.16cm
5.
鍙互鍒ゅ畾
飦?/p>
ABC
鈭?/p>
'
'
'
C
B
A
飦?/p>
锛岀殑鏉′欢鏄?/p>
锛?/p>
锛?/p>
A.
鈭?/p>
A=
鈭?/p>
'
C
=
鈭?/p>
'
B
B.
'
'
'
'
C
A
B
A
AC
AB
飥?/p>
锛屼笖鈭?/p>
A=
鈭?/p>
'
C
C.
'
'
'
'
C
A
AC
B
A
AB
飥?/p>
涓斺垹
A=
鈭?/p>
'
B
D.
浠ヤ笂鏉′欢閮戒笉瀵?/p>