Mathematics · Geometry

In a triangle, two of the sides are extended to form exterior angles. If the interior angles corresponding to these vertices are 50° and 70°, and the third exterior angle is x°, what is the value of x?

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In a triangle, two of the sides are extended to form exterior angles. If the interior angles corresponding to these vertices are 50&deg; and 70&deg;, and the third exterior angle is x&deg;, what is the value of x?