the angles of a polygon are in ap with common diffrence 5. if the smallest angle is 120
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Ans: 120,125,130
The angles are in A.P :a-d , a , a+d
common difference = 5
a - 5, a , a + 5
Smallest angle = 120
a - 5 =120 = > a = 125
The angles are 120 ,125.130
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