a side of the triangle below has been extended to form an exterior angle of 131 degrees. find the value of x

JackMorrissey asked Dec 12, 2023

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JackMorrissey asked Dec 12, 2023

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8 votes

The sum of the angles (x and the one that measures 131°), is 180 degrees, they are suplementary angles

$\begin{gathered} x+131=180 \\ x=180-131 \\ x=49 \end{gathered}$

x is 49°

Brendan Green answered Dec 16, 2023

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