isIsosceles property

bool get isIsosceles

Check is this triangle is Isosceles

true if at least 2 sides have the same length

Implementation

bool get isIsosceles {
  return (AB.length - BC.length).abs() < _epsilon ||
      (BC.length - CA.length).abs() < _epsilon ||
      (AB.length - CA.length).abs() < _epsilon;
}