[tex]\it Fie\ x\ \d si\ y\ \ m\breve asurile\ unghiurilor\ ascu\c{\it t}ite.\\ \\ x+y=90^o\ \ \ \ (*)\\ \\ \{x,\ y\}\ d.\ p.\ \{2,\ 8\} \Rightarrow \dfrac{x}{2}=\dfrac{y}{8}=\dfrac{x+y}{2+8}\ \stackrel{(*)}{=}\ \dfrac{\ 90^o}{10}= 9^o\\ \\ \\ \dfrac{x}{2}=9^o \Rightarrow x=2\cdot9^o \Rightarrow x=18^o\\ \\ \\ \dfrac{y}{8}=9^o \Rightarrow y=8\cdot9^o \Rightarrow y=72^o[/tex]
