From the given figure ,if x:y=3:7, then values of a in in( in degrees)
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7x + 3x = 180. ( linear pair)
10x = 180
x =18
angle AOD = 3 × 18
54
angle AOC +angle AOD = 180
( linear pair)
54+ a = 180
a= 126
10x = 180
x =18
angle AOD = 3 × 18
54
angle AOC +angle AOD = 180
( linear pair)
54+ a = 180
a= 126
No I did not understand
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