Respuesta :

mhanifa

Answer:

  • 70

Step-by-step explanation:

Exterior angle is the sum of the non-adjacent interior angles:

  • u - 25 + u - 26 = u + 19
  • 2u - 51 = u + 19
  • 2u - u = 19 + 51
  • u = 70

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The value of u is :

  • [tex]70 \degree[/tex]

[tex] \large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}[/tex]

As we known, measure of an exterior Angle is equal to sum of two non Adjacent interior angles, that is ~

  • [tex]u - 25 + u - 26 = u + 19[/tex]

  • [tex]2u - 51 = u + 19[/tex]

  • [tex]2u - u = 19 + 51[/tex]

  • [tex]u = 70 \degree[/tex]

[tex]\mathrm{✌TeeNForeveR✌}[/tex]

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