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Faceti-mi exercitiul 4 urgenttttt.

Facetimi Exercitiul 4 Urgenttttt class=

Răspuns :

m(<A)=60°
m(<b)=60°

m(<c)=120°
m(<d)=60°

m(<e)=120°
m(<f)=120°

m(<g)=120°
m(<h)=60°