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Punctele A,O,B sunt coliniare.Atunci:
a)m(<AOC)+m<DOB)=
b)m(<AOC)=
c)m(<DOB)=


Punctele AOB Sunt ColiniareAtunciamltAOCmltDOBbmltAOCcmltDOB class=

Răspuns :

m(AOC)+m(DOB)=90 grade
x+x+22=90 ( grade la toate)
2x+22 =90
2(x+11)=90
x+11=45
x= 34 grade

m(AOC) = x = 34 grade
m(DOB)= x +22 = 34+22= 56 grade