indentifica pe figura alaturata cel putin doua perechi de unghiuri congruente
Anexe:
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laurastratulat30:
_______________________________________bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
__________4___|___1__________________
3 | 2
|
___________8__|__5___________________
7 | 6
|
Astfel avem: alterne interne: unghiul 2 cu <8 ; <3 cu <5.
alterne externe: <1 cu <7 ; <4 cu <6.
corespondente: <1 cu <5 ; <2 cu <6 ; <4 cu <8 ; <3 cu <7.
interne de aceeasi parte a secantei: <2 cu <5 ; <3 cu <8.
externe de aceeasi parte a secantei: <1 cu <6 ; <4 cu <7.
______4___|___1_______
3 | 2
|
_____8__|__5________
7 | 6
|
Răspunsuri la întrebare
Răspuns de
3
Unghiul DAB ESTE CONGRUENT CU UNGHIUL DCB
UNGHIUL BDA CONGRUENT CU UNGHIUL BDC
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