the interior angles of a polygon are in AP the smallest angle is 52 degree and the common difference is 8 degree find the number of sides of the polygon
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In AP a = 52 ° d = 8
t n = 2a ( n-1 ) d
t n = 2 ( 52 ) ( n-1 ) 8
t n = 2a ( n-1 ) d
t n = 2 ( 52 ) ( n-1 ) 8
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