class Triangle:

    @staticmethod
    def other_angle(a, b): 
        return 180 - (a + b)
    

    @staticmethod
    def triangle_type_angle(a, b, c):
        if all( angle < 90 for angle in (a, b ,c)):
            return "Acute Triangle"
        if any(angle == 90 for angle in (a, b, c)):
            return "Right Triangle"
        return "Obtuse Triangle"
    
    @staticmethod
    def triangle_type_sides(s1, s2, s3):
        if s1 == s2 == s3:
            return "Equilateral Triangle"
        elif s1 == s2 or s2 == s3 or s1 == s3:
            return "Isoceles Triangle"
        return "Scalene Triangle"