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Aflati complementul unghiului de:
a)50grade b)23grade12' c)58grade58'58"


Răspuns :

a)40grade
b)66 grade 48'
c)31grade 1' 2''
a)90 grade-50 grade=40 grade
b)90 grade-23 grade12'=66 grade48'
c)90 grade-58 grade58'58"=31 grade41'42"