Complex Triangle Rotation

Topic:Vectors 2D (Two-Dimensional), Angles, Complex Numbers, Constructions, Coordinates, Diagrams, Equations, Geometry, Mathematics, Multiplication, Parallelogram, Plane Figures or Shapes, Pythagoras or Pythagorean Theorem, Reflection, Right Triangles, Rotation, Similar Triangles, Similarity Transformation or Similarity, Geometric Transformations, Translation, Triangles, Vectors