ma ajuta cineva imi trebuie acum dau puncte si coroana
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Răspuns:
a) m(<B)+m(<C)+m(<A)=180⁰
m(<B)+24⁰C+67⁰C =180⁰
m(<B)=89⁰
b) m(<M)+m(<N)+m(<P)=180⁰
109⁰+m(<N)+23⁰=180⁰
m(<N)=48⁰
c)m(<E)=m(<F)=60⁰=> m(<D)=60⁰