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I just need an answer to 5b. This is homework

I Just Need An Answer To 5b This Is Homework class=

Sagot :

The sum of all internal angles is 180° ever , then sum the angles and equals to 180

[tex](96)+(2x)+(x+12)=180[/tex]

simplify

[tex]\begin{gathered} 96+2x+x+12=180 \\ 3x+108=180 \end{gathered}[/tex]

and solve for x

[tex]\begin{gathered} 3x=180-108 \\ 3x=72 \\ x=\frac{72}{3}=24 \end{gathered}[/tex]

Value of x is 24

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