Triunghiul ABC are masura unghiului a = 60De grade m unghilui B de 40 de grade si masura unghiului C de 80 de grade . Aflati marimile unghiurilor exterioare triunghiului.

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30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Triunghiul ABC are masura unghiului a = 60De grade m unghilui B de 40 de grade si masura unghiului C de 80 de grade . Aflati marimile unghiurilor exterioare triunghiului.
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Pai masura unui unghi exterior al unui triunghi este suma masurilor unghiulilor neadiecente lui.(teorema unghiului exterior).Masura unghiului exterior A=masura unghiului B+masura unghiului C(unghiurile neadicente lui)=40+80=120 grade
Masura unghiului exterior B=masura unghiului C+masura unghiului A=60+80=140 grade
Masura unghiului exterior C=masura unghiului B+masura unghiului A=60 +40 =100 grade
Răspunsul a fost dat în data 30 Agustus 2025

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