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In the diagram, angle u= 30 degrees. Arc XY is 170 degrees, and arc VW is 120 degrees. Find arc WY, in degrees.

 

 Jul 8, 2021
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arc WY + arc VX = 360 - (arc XY + arc VW) = 70º

 

arc VX = n          arc WY = 70 - n

 

∠U = 1/2(arc WY - arc VX)

 

30 = 1/2[(70 - n) - n]

 

arc WY = 65º              (arc VX = 5º) smiley

 Jul 8, 2021
edited by Guest  Jul 8, 2021

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