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PLEASE HELP!!!!!!!!!!!!​

PLEASE HELP!!!!!!!!!!!!​-example-1
User Heyr
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There's a theorem for this: the angle made by two intersecting secants of a circle has a measure equal to half the difference of the arcs the secants intercept. In this case,

x = (130° - 30°) / 2 = 50°

User Jacky Pham
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