Răspunsuri

2014-05-14T11:29:11+03:00
BE _|_ AC si AF _|_ BC
in tr BAF, ∧BAF=30,
in ΔBEA ,∧ABE=30
AF intersectat cu BE={0}
ΔBOA, ∧BOA=180-30.2=120*=∧FOE
∧AOE=∧BOF=(360-2.120)/2=60*

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