24.4
寮ч暱鍜屾墖褰㈤潰绉?/p>
鐭ヨ瘑鐐?/p>
1.
鍦ㄥ崐寰勪负
R
鐨勫渾涓紝
1
掳鐨勫渾蹇冭鎵�瀵圭殑寮ч暱鏄?/p>
____________
锛?/p>
n
掳鐨勫渾蹇冭鎵�瀵圭殑寮ч暱鏄?/p>
______________.
2.
鍦ㄥ崐寰勪负
R
鐨勫渾涓紝
1
掳鐨勫渾蹇冭鎵�瀵圭殑鎵囧舰闈㈢Н鏄?/p>
____________
锛?/p>
n
掳鐨勫渾蹇冭鎵�瀵圭殑鎵囧舰闈㈢Н
S
鎵囧舰
=______________.
3.
鍗婂緞涓?/p>
R
锛屽姬闀夸负
l
鐨勬墖褰㈤潰绉?/p>
S
鎵囧舰
=________.
涓�銆侀�夋嫨棰?/p>
1.
锛?/p>
2013鈥?/p>
娼滄睙锛夊鏋滀竴涓墖褰㈢殑寮ч暱鏄?/p>
3
4
蟺
锛屽崐寰勬槸
6
锛岄偅涔堟鎵囧舰鐨勫渾蹇冭涓?/p>
(
)
A
锛?/p>
飩?/p>
40
B
锛?/p>
飩?/p>
45
C
锛?/p>
飩?/p>
60
D
锛?/p>
飩?/p>
80
2.
锛?/p>
2013鈥?/p>
鍗楅�氾級
濡傚浘锛屽凡鐭?/p>
鈻?/p>
ABCD
鐨勫瑙掔嚎
BD
=4cm
锛屽皢
鈻?/p>
ABCD
缁曞叾瀵圭О涓績
O
鏃嬭浆
180掳
锛屽垯鐐?/p>
D
鎵�杞繃鐨勮矾
寰勯暱涓?/p>
(
)
A
锛?/p>
4
蟺
cm
B
锛?/p>
3
蟺
cm
C
锛?/p>
2
蟺
cm
D
锛?/p>
蟺
cm
3.
锛?/p>
2013
鈥?/p>
瀹佸锛夊鍥撅紝浠ョ瓑鑵扮洿瑙?/p>
鈻?/p>
ABC
涓ら攼瑙掗《鐐?/p>
A
銆?/p>
B
涓哄渾蹇冧綔绛夊渾锛?/p>
鈯?/p>
A
涓?/p>
鈯?/p>
B
鎭板ソ澶栧垏锛岃嫢
AC=2
锛岄偅涔堝浘涓袱
涓墖褰紙鍗抽槾褰遍儴鍒嗭級鐨勯潰绉箣鍜屼负锛?/p>
锛?/p>
A.
4
飦?/p>
B.
2
飦?/p>
C.
2
2
飦?/p>
D.
2
飦?/p>
4.
锛?/p>
2013鈥?/p>
璧勯槼锛夐挓闈笂鐨勫垎閽堢殑闀夸负
1
锛屼粠
9
鐐瑰埌
9
鐐?/p>
30
鍒嗭紝鍒嗛拡鍦ㄩ挓闈笂鎵繃鐨勯潰绉槸
(
)
A
锛?/p>
1
2
飦?/p>
B
锛?/p>
1
4
飦?/p>
C.
1
8
飦?/p>
D
锛?/p>
飦?/p>
5.
锛?/p>
2013鈥?/p>
鑽嗗窞锛夊鍥撅紝灏嗗惈
60
掳瑙掔殑鐩磋涓夎鏉?/p>
ABC
缁曢《鐐?/p>
A
椤烘椂閽堟棆杞?/p>
45
掳搴﹀悗寰楀埌鈻?/p>
AB
锛?/p>
C
锛?
锛岀偣
B
缁忚繃鐨勮矾寰勪负寮?/p>
BB
锛?
锛岃嫢瑙掆垹
BAC
=60
掳锛?/p>
AC
=
锛戯紝鍒欏浘涓槾褰遍儴鍒嗙殑闈㈢Н鏄?/p>
(
)
A
.
2
飦?/p>
B
.
3
飦?/p>
C
.
4
飦?/p>
D
.
飦?/p>
6.
锛?/p>
2013
鈥?/p>
鎭╂柦宸烇級濡傚浘鎵�绀猴紝鍦ㄧ洿瑙掑潗鏍囩郴涓斁缃?/p>
涓�涓竟闀夸负
1
鐨勬鏂瑰舰
ABCD
锛屽皢姝ｆ柟褰?/p>
ABCD
娌?/p>
x
杞寸殑姝ｆ柟鍚戞棤婊戝姩鐨勫湪
x
杞翠笂婊氬姩锛屽綋鐐?/p>
A
绂诲紑
鍘熺偣鍚庣涓�娆¤惤鍦?/p>
x
杞翠笂鏃讹紝鐐?/p>
A
杩愬姩鐨勮矾寰勭嚎涓?/p>
x
杞村洿鎴愮殑闈㈢Н涓猴紙
锛?/p>
A.
1
2
2
飦?
飥?
B.
1
2
飦?
飥?/p>
C.
1
飦?/p>
飥?/p>
D.
1
2
飦?/p>
飥?/p>
7.
锛?/p>
2013鈥?/p>
寰峰窞锛夊鍥撅紝鎵囧舰
AOB
鐨勫崐寰勪负
1
锛屸垹
AOB
=90
掳锛屼互
AB
涓?/p>
绗?/p>
2
棰?/p>
A
B
C
D
O
B
绗?/p>
3
棰?/p>
C
鈥?/p>
B
鈥?/p>
C
B
A
绗?/p>
5
棰?/p>
绗?/p>
6
棰?/p>