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Need help in showing my child how to to thisFind the value of x?

Need help in showing my child how to to thisFind the value of x?-example-1

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Given,

The measure of two adjacent interior angles is x+121 degree and x+81 degree.

As known that,

The sum of adjacent interior angles between parallel line is 180 degree.

According to the question,


x+121^(\circ)+x+81^(\circ)=180^(\circ)

Simplifying the expression,


\begin{gathered} 2x+202^(\circ)=180^(\circ) \\ 2x=-22^(\circ) \\ x=-11^(\circ) \end{gathered}

Hence, the value of x is -11 degree.

User Probably Rgbkrk
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