The measure of angle 1 which is alternate to 71 degrees is 71°
How to find an alternate angles?
when parallel lines are cut by a transversal line, angles relationship are formed such as corresponding angles, alternate angles etc.
Therefore,
When two straight lines are cut by a transversal, then the angles formed on the opposite side of the transversal with respect to both the lines are called an alternate angle.
Hence,
∠1 ≅ 71°
learn more on alternate angles here: https://brainly.com/question/13821266
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