The interior angles of a regular polygon measure `150^@` each. The number of diagonals of the polygon is

The interior angles of a regular polygon measure 120^(@) each.The number of diagonal of the polygon

The interior angles of regular polygon measure 150^(@) each. The each number of diagonals of the polygon is

The interior angles of regular polygon measure 150^(@) each. The each number of diagonals of the polygon is

If each interior angle of a regular polygon is 135^@ , then the number of diagonals of the polygon is equal to