Răspuns:
5. a) y=130 2x130=260 360-260=100 100:2=50
X=50
b) 70+70=140 360-140=220 220:2=110
p=110 m=70 n=70
6) a) 70+70=140 360-140=220 220:2=110
X=110
b) 360-240=120 120:2=60 x=60
c) x=90
d) 360-220=140 140:2=70 x=70
Masura unghiurilor 360 si sunt 2 câte 2.