Question

b si c va rog frumoooos

Answer 1

b)
Suma,unghiurilor,in,jurul,unui,punct=360°
∡BOC≡∡FOE(opuse,la,varf)

Avem,BOA+AOF+FOE=180°
60°+t+70°=180°=>t=50°

t,si,x-opuse,la,varf=>x=50°
y,si,∡60°,opuse,la,varf=>y=60°

c)120°+100°+x=360°
x=360°-220
x=140°