[tex] \huge \blue{\tt{Answer:}} [/tex]
[tex] \sf{2x+3x+5x=180°[angle~sum~property~of~a~triangle]} [/tex]
[tex] \implies \sf{10x=180°} \\\\ \implies \sf{x = {\dfrac{180°}{10}}} \\\\ \implies \sf{x=18°} [/tex]
[tex] \sf{2x= 36°} \\\\ \sf{3x=54°} \\\\ \sf{5x=90°} [/tex]