Răspuns :
Notam cu x si y unghiurile.
x/2=y/3=k
x=2k
y=3k
x+y=90
2k+3k=90
5k=90
k=90:5
k=18
x=2k=2x18=36 de grade
y=3k=3x18=54 de grade
x/2=y/3=k
x=2k
y=3k
x+y=90
2k+3k=90
5k=90
k=90:5
k=18
x=2k=2x18=36 de grade
y=3k=3x18=54 de grade