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I need help finding the value of X for each box?

I need help finding the value of X for each box?-example-1

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Triangles at the top.

Extreme left)

Finding the missing interior angle of the triangle,


y=180-64-53=63

On the other hand, such missing angle and angle x° are supplementary angles; thus,


x=180-y=117

The answer to the first triangle (extreme left) is x=117.

2) Similarly,


\begin{gathered} y=180-81-54=45 \\ \Rightarrow x=180-y=135 \end{gathered}

The answer to the second triangle is x=135

3)


\begin{gathered} y=180-82=98 \\ \Rightarrow x=180-48-98=34 \end{gathered}

The answer to the third triangle is x=34

4)


\begin{gathered} y=180-109=71 \\ \Rightarrow x=180-37-71=72 \end{gathered}

The answer to the fourth triangle (extreme right) is x=72

User Dung Nguyen
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