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Asemănarea triunghiurilor
Contributed by: Romeo
∆ABC
 QPR
?
Stabiliți triunghiurile asemenea
∆MNP
 HIG
?
∆DFO
RST
?
Fie ∆ABC∆DEF∢A=40∢E=60
∢C=
Fie ∆ABC∆DEF
2
EF=4
EF=5
EF=6
EF=9
3
6
Fie ∆ABC∆DEF
PABC=12cm, k=1/2
PDEF=
cm
Fie ∆ABC∆DEF
AABC=4cm2, k=1/3
ADEF=
cm2
1/3
1/6
1/8
1/9
ABCD trapez, AB=12cm,DC=4cm. Raportul dintre ariile triunghiurilor DOC si AOB este:
4
5
6
8
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