Systematic Random Sample, Stratified Random Sample, and Simple Random Sample.
The measurement of ∠1 is half of the central angle's length 120
120/2 = 60
60° is your answer
Reason: This is because an inscribed angle is half of the arc length.
A central angle is the same measurement as the arc length.
hope this helps
Answer:h5h5h5h
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Step-by-step explanation:5h5h5h5
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