绗?/p>
1
椤?/p>
鍏?/p>
6
椤?/p>
2019
骞?/p>
鍏勾绾ф暟瀛︿笅鍐?/p>
鐗规畩鐨勫钩琛屽洓杈瑰舰
鑿卞舰
鍚屾缁冧範
涓�銆侀�夋嫨棰?/p>
1.
濡傚浘锛岃彵褰?/p>
ABCD
涓紝
AB=5
锛?/p>
BD=6
锛屽垯鑿卞舰鐨勯珮涓猴紙
锛?/p>
A.2.4 B.4.8
C.12 D.24
2.
鑻ラ『娆¤繛鎺ュ洓杈瑰舰
ABCD
鍚勮竟鐨勪腑鐐规墍寰楀洓杈瑰舰鏄彵褰?/p>
,
鍒欏洓杈瑰舰
ABCD
涓�瀹氭槸锛?/p>
锛?/p>
A.
鑿卞舰
B.
瀵硅绾夸簰鐩稿瀭鐩寸殑鍥涜竟褰?/p>
C.
鐭╁舰
D.
瀵硅绾跨浉绛夌殑鍥涜竟褰?/p>
3.
濡傚浘锛屽湪鑿卞舰
ABCD
涓紝
BE
鈯?/p>
AD
锛?/p>
BF
鈯?/p>
CD
锛?/p>
E
銆?/p>
F
涓哄瀭瓒筹紝
AE=ED
锛屽垯鈭?/p>
EBF
绛変簬
( )
A.75
掳
B.60
掳
C.50
掳
D.45
掳
4.
骞抽潰鐩磋鍧愭爣绯讳腑
,
鍥涜竟褰?/p>
ABCD
鐨勯《鐐瑰潗鏍囧垎鍒槸
A(-3,0),B(0,2),C(3,0),D(0,-2),
鍒欏洓杈?
褰?/p>
ABCD
鏄?/p>
(
)
A.
鐭╁舰
B.
鑿卞舰
C.
姝ｆ柟褰?/p>
D.
姊舰
5.
鏌愭牎鐨勬牎鍥唴鏈変竴涓敱涓や釜鐩稿悓鐨勬鍏竟褰?/p>
(
杈归暱涓?/p>
2.5m)
鍥存垚鐨勮姳鍧涳紝濡傚浘涓殑闃村奖閮ㄥ垎鎵�
绀猴紝鏍℃柟鍏堣灏嗚繖涓姳鍧涘湪鍘熸湁鐨勫熀纭�涓婃墿寤烘垚涓�涓彵褰㈠尯鍩熷鍥炬墍绀猴紝骞跺湪鏂版墿鍏呯殑閮?/p>
鍒嗙涓婅崏鍧紝鍒欐墿寤哄悗鑿卞舰鍖哄煙鐨勫懆闀夸负
(
)
A.20m
B.25m
C.30m
D.35m
6.
濡傚浘锛岃彵褰?/p>
OABC
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓殑浣嶇疆濡傚浘鎵�绀猴紝鑻?/p>
OA=2
锛屸垹
AOC=60
掳锛屽垯
B
鐐圭殑鍧愭爣
鏄?/p>
(
)
A.(3
锛?/p>
)
B.(1
锛?/p>
) C.(
锛?/p>
1
锛?/p>
)
D.(
锛?/p>
3
锛?/p>
)
7.
濡傚浘锛屼笅鍒楁潯浠朵箣涓�鑳戒娇骞宠鍥涜竟褰?/p>
ABCD
鏄彵褰㈢殑涓猴紙
锛?/p>
鈶?/p>
AC
鈯?/p>
BD
锛涒憽鈭?/p>
BAD=90
掳锛涒憿
AB=BC
锛涒懀
AC=BD
锛?/p>
A.
鈶犫憿
B.
鈶♀憿
C.
鈶⑩懀
D.
鈶犫憽鈶?/p>