help me in question 10
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let the ratios be x
1 st angle be 20 x.
2 nd angle be 5x.
3 rd angle be 8x.
Angle 1+ angle 2+ angle 3=180
20x+5x+8x=360. ( sum of angle of circle )
33x=360
x=360/33
x=120/11
Angle of sector represent share C=8x
=8×120/11
=960/11
=87.27
is this answer right?
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