T P 1 SGKẬ
A
B
C
A
B
C
D
A
B
C
D
D
c)
b)
a)
C
B
D
A

D
A
B
C
Q
P
M
N
B
C

0
x
x
d)
c)
105
0
60
0
Q
P
N
M
Q
R
S
P
b)
a)
4x
3x
2x
x
x
x
95
0
65
0
D

D
caïnh
beân
caïnh
beân
caïnh ñaùy
caïnh ñaùy
M
K
N
I
G
H
E
F
A
C
D
B
c)
b)
a)
75
0
120
0
115
0
75
0

D
c)
b)
a)
y
x
65
0
y
x
70
0
50
0
y
x
40
0
80
0
BT 9/ 71
D
C
B
A

A
B
C
D

I
70
0
70
0
110
0
d)
c)
O
C
D
A
B
2
2
1
1

A
B
C
D

A
B
C
D
40
0

B
A
E
H
G
F
E
A
B
C
D
BT 15/ 75
E
D
C
B
A
BT 16/ 75
D
E
C
B
A

BT 17/ 75
A
B
C
D
BT 18/ 75

1
F
I
B
C
D
A
E

F
D
E
B
C
A
F
K
A
E
B
C
D
1
2
1

H
B
C
D

I
K
5dm
x

BT 24 /80
H
N
M
y
x
C
B
A

BT 2 5/ 80
K
F
E
D
C
B
A

F
H
G
E
D
C

O
D
C
B
A
b)
a)
D
C
B
A
c)

C
B
A
O
y
a)
x
D
C
B
b)
A

B
A
c)
d

B'
A'
C
B
A

H
C
B
A

K
H
C
D
B
A
d

BT 36 / 87
5 0
0
C
B
A
x
y
O

BT 3 9/ 88

D
1
1
1
1
O
GT
KL
D
A
B
C
N
M
K
I
H
G
F
E
c)
b)
a)
70
0
110
0
75
0
R

C
B
A

BT 4 5/ 92
F
E
D
C
B
A
A
B
C
D
H
K
O

BT 4 8/ 93
H
G
F
E
D
C
B
A
BT 4 9/ 93
N


O
D
C
B
AC
B
A

BT 51 / 96
K
H
2
3
-2
-3
3
O
x
y

BT 52 /96
F
E
D
C
B


A
D
C
B

M
D
C
B
A
M
D
C
B
A

b )
a )
BT 59 / 99
A
B
C
D
O
D
C
B
A


15
13
10

H
G
F
E
D
C
B
A

BT 65 / 10 0
H
G
F
E
D
C
B
A

K
H
B
A
b
a
h

A
a)
d
c
b
a

D
C
B
A
F
E
G
H
a
b
c
d
b)

x
D'
C'
D
E
C
B
A



A
B
C
M
D
E
P
Q
H
O
A
B
C
M
D
E
P
Q
H
BT 71 /10 3
H
Q
P
E
D
M
C
B
A

A
H
G
F
E
D
C
B
A
b)
a)
I
O
T
S
R
U
Q
P
N
M
d)
c)
O
F
E
D
C
B
A


c )
A
B
C
E
F
D

d )
F
E
C
B
A
D
d )
c )
b )
a )
BT 84 /10 9
F
E
C
B
A
A
B
C
E


BT 88 / 11 1
H
G
F
E
D
C
B
A
a )
H
G
F
E
D
C
B
A

b )
A
B
C
D
E
F
G
H
c )

E
D
C
B
A
BT 89 / 11 1
E
D
M
C
B
A

A
B
C
M
D
E
G
E
D
C
B
A
E
D
C
B
A

G
F
E
D
C
B
A
E
D
C
B
A
b
a

a
a

b
a
E
D
C
B
A
x
12

Bt 1 0/1 19
c

A
a
a
h
2
h
a
h
a
h
a
h
M
B
O
A

M
C
B
A
8
7
6
5
4
3
2
1
BT 20 /12 2

H
C
B
A
a
b

BT 2 5/1 23
H
C
B
A
a

A
B
C
D
H

a
b
h

a
h
a=3cm
b=4cm

a

R

BT 2 9/12 6
H
F
E
D
C
B
A

A
B
C
D
G
H
I
K
E
F
9
8
7
6
5
4
3
2
1

D
C
B
A

b )
D
C
B
A
d
b )
D
C
B
A
d
a )
BT 32 /12 8
D
C
B
A
BT 3 3/1 28
F
E
D
C
B
A

G
E
D
C
B
A
K
A
B
C
D
E
G
H
I
G
K
H
E
D
C
B
A

50m
120m
150m
G
F
E

a
S =
S =
h
h
a
a
d
1
d
2
S =
S =
S =
h
h
a
a
12cm
6,8cm
O
H
E
I
K
D
C
B
A


F
E
D
C
B
A
BT 4 6/1 33
H
K
N
M
C
B
A

hình 162
6
5
4
3
2
1
T P 2Ậ
D
C
B
A

D'
C'

C
B
A
a) a // BC
a
10
5
x
3
E
D
C
B
A
C'
B'
C
B
A

b) PQ // EF
a) MN // BC
x
24
9
10,5
Q
P
F
E

B
A
D
C'
B'
C
B
A

a
C'
B'
C
B
A

C'
B'
C
B
A
a
O
B
E
A
D
F
C
Q

3
5
8
7
15
21
a)
B
A
B'
A'
O
A''
B''
2
3
3
4,5
b)
B
A
O
A'
B'
F
E
N
M
D
X

C
D
B
A
3
6
E
C
D
B
A

E'
D'
B
C
A
D
F
H
E
C
D
B
A
x
y
3,5
7,5
5

a
O
F
E
D
C
B
A
C
B
A
C'
B'
A'

C'
B'
A'
C
B
A
4
5
6
2
2,5
3
a
N
M

C
B
N
M
A