Firstly, angle measurements are only defined up to an additive constant of 360° ( or , if measuring in radians).
fˈɜːstli, ˈæŋɡəl mˈɛʒɚmənts ɑːɹ ˈoʊnli dᵻfˈaɪnd ˌʌp tʊ ɐn ˈædᵻtˌɪv kˈɑːnstənt ʌv θɹˈiːhˈʌndɹɪd sˈɪksti dᵻɡɹˈiːz ɔːɹ , ɪf mˈɛʒɚɹɪŋ ɪn ɹˈeɪdiənz.