de kiem tra lan 2 toan 7

Đề kiểm tra Toán 7 lần 2, Năm học : 2010- 2011
Thời gian làm bài: 90 phút



 ! "#$%&'
()* 
+ ,-./%0&
 1#$2 
,2$30&4& 5 6 70&
8/#$#' 9:0&, 2. &';
,< 2& =
>' 9:,9? :@5  #A /
 <%B 5  "5 
#' & !9? #A  "#$9? C
!9? C#$2"/ 6$@
#' 9:-4+#D0=E 39? , ,=
FG.
HI+J+C K#$, =
G4@,
L;@.
 8/ >' GM
LD LJ7 
G& 

N,2$30&4
& 5 6 70&
8/#$#' 9:
0&, 2. &
';,< 2
& =


(

(
(/
%0&
O
G

N+ ,-
./%0&
 1#$



(
(
F
2 
FL'% 
 P
QRS
N#T9:2U<'!

V
$<
 
#A 5 
WF
(

WF
(
XY
!3
&,< 
L
9? E 
3,< 
Q(RS
G ! "#$
%&'




N#' &
 !9? #A  "#$
9? C !9? C
#$2"/ 6
$@
WF

WF

N#' 9:-
4+#D0=E 3
9? , ,=
WF

WF


GM 0&Z
GM 0&/


WF
(
WF
[
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^D$
LZ/G,< /(C
(
3(C_3FC3`(/$<4$
a8b3C-"
LZ((/
L<cQCSdQ(C
F
_C
(
FCS`QC
(
_(C
F
_RS
a) 8b3 1#$+ ,-Cd(a
b) 8b32 
V
cQCSb 1a

LZF(/
^//,1eAG<8fA
V
4g@9: 4%90
X R h O R [ h X [ h
X \ h h X R [ R \ [
R [ [ R \ [ \ \ [ h
a) ig@1"<10a
b) 8b34Z
V
@6 70&a
c) G2&#$/, 2/,1eA<104g@
"a
LZX/L< jL "dR]
]
∠jk∠L8b30<0A
V
'$
% jLa
LZ\X/
L< jL#A %jl4$@Z  <mln#A 
"#gLQnLSL ,5 
a) ojldonl
b) l4$, ,=jn
c) jlklL
>^@#$//
LZ ^@ ^/
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(C
(

34$ ]\
Z
V
4$F
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a) cQCSdQ(C
F
_C
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dFC`R
]\
G3Cd(#$<cQCS9:
cQ(SdQFS(`Rd( ]\
b) cQCSd]FC`Rd]
FCdR

Cd(
]\
]\
F
a) 4g@1"F]10 ](\
p
,-QCS X \ R [ h O Nd
F]
G70&QS X \ R h R 
S
][\
c) 
]
d[
qddRFF
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X
G"∠j_∠_∠Ldh]
]
∠dR]
]
dr∠j_∠Ld(]
]
∠jk∠LdrLrR]
]
dr∠Lr∠ r∠j
 jrjLrL
](\
]\

](\
\
ojLjdO]
]

pGl4$@Z 
lnLQnLS
iSojldonl
Sl4$, ,=sjn
SjlklL

L 
a) qtojl#$onl"∠jd∠ndO]
]

∠jld∠nlQl4$@Z S
l4$% 
 ojldonl
]\
]\
A
E
B
C
D
b) GU<"
jdndrG, ,=<%B jn
jldnldrlA
V
, ,=<%B jn

 l4$9? , ,=jn

c) G"jldnlQU<S
$ln4$9? #A  "lL4$9? CmunC& 
LlnklL
f3,jlklL

N 9?,D
NA G-Gv