Respuesta :

Nayefx

Answer:

A)12

Step-by-step explanation:

to understand this

you need to know about:

  • equation
  • PEMDAS

let's solve:

according to the question

[tex] \sf \: 2x + 4 + 62 = 90[/tex]

simplify addition:

[tex] \implies \sf 2x + 66 = 90[/tex]

subtract 66 from both sides:

[tex] \sf\implies 2x + 66 - 66 = 90 - 66 \\ \sf\implies2x = 24[/tex]

divide both sides by 2:

[tex] \sf \implies \: \frac{2x}{2} = \frac{24}{2} \\ \sf \therefore \: x = 12[/tex]

msm555

Answer:

Solution given:

62°+2x+4+90=180°[ sum of interior angle of a triangle is 180°]

2x=180-156°

x=24°/2

x=12°

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