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How do I find out these arc measures?
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How do I find out these arc measures?

How do I find out these arc measures?-example-1
User Stoyan
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Angle SUR and PUQ are vertical angles and both = 42°

Line QS is a diameter and so angle PUQ + PTU + TUS = 180°

42° + 64° + angle TUS = 180° Therfore, angle TUS = 74°

Angle QUR + SUR = 180°. Therefore, angle QUR = 138°


User James Taylor
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