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Find the indicated angle measure or arc measure.

 

 Feb 24, 2021
 #1
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Let minor arc SF be x degrees.

 

1/2(210 + x) = 130

210 + x = 260

 

x = 50 degrees

 

(For similar theorems about angles in circles, this might be helpful: https://www.onlinemathlearning.com/central-angle.html)

 Feb 24, 2021

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