Question Number 189843 by normans last updated on 22/Mar/23
Answered by HeferH last updated on 22/Mar/23
$$\mathrm{2}\alpha\:+\:\mathrm{x}\:=\:\mathrm{180}° \\ $$$$\mathrm{62}°\:+\:\mathrm{56}°\:+\:\alpha\:=\:\mathrm{180}° \\ $$$$\alpha\:=\:\mathrm{180}°\:−\mathrm{118}°=\mathrm{62}° \\ $$$$\:\mathrm{x}\:=\:\mathrm{180}°\:−\:\mathrm{124}°\:=\:\mathrm{56}° \\ $$