Find the measurement of the angle

asked May 24, 2021 196k views

2 votes

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5 votes

Answer:

∠ 1 = 120°

Explanation:

Note that ∠ Q and ∠ R are congruent, that is both 30°, thus

∠ 1 = 180° - (30 + 30)° = 180° - 60° = 120°

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