In the figure, O is centre of the circle passing through P,Q,R and S.If Angle 150°,find the x and y.
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Angle = 150
therefore angle x=150
divided by2= 150/2 =75
x=75
Next, x+y=180
75+y=180
y=180-75=105
therefore angle x=150
divided by2= 150/2 =75
x=75
Next, x+y=180
75+y=180
y=180-75=105
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