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In the diagram, \(\angle U = 30^\circ\), arc XY is \(170^\circ\), and arc VW is \(110^\circ\). Find arc WY, in degrees.

 Jun 4, 2020
 #1
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Arc WY works out to (170 - 110)/2 + 30 = 60 degrees.

 Jun 4, 2020
 #2
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Arc WY = 70 degrees   smiley

Guest Jun 4, 2020

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