heron's formula
def area(self):
side1 = self.segment1.length() #The three diffrent lenghts of the triangle
side2 = self.segment2.length()
side3 = self.segment3.length()
perm = (side1 + side2 + side3)/2 #The perimiter of the triangle divided by 2
area = math.sqrt(perm*(perm-side1)*(perm-side2)*(perm-side3)) #Actual formula
return str(area)