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Which correctly describes how to determine the measure of angle 1?

Which correctly describes how to determine the measure of angle 1?-example-1
User Onur
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2 Answers

5 votes

Answer: It’s A (the first option)

Explanation:

Angle 2 corresponds to 81 degrees, making angle 1 equal to 99 since 180-81=99

User Bohne
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7 votes
the answer you put is correct
User Nathan Dries
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