Respuesta :

q=45

Explanation

Step 1

the sum of the internal angles of a triangle must be 180 , then

[tex]\begin{gathered} 3q+q+q=180 \\ \\ \\ \end{gathered}[/tex]

Step 2

add similar terms

[tex]\begin{gathered} 3q+q+q=180 \\ 4q=180 \end{gathered}[/tex]

Step 3

divide both sides by 4

[tex]\begin{gathered} 4q=180 \\ \frac{4q}{4}=\frac{180}{4} \\ q=45 \end{gathered}[/tex]

I hope this helps you.

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