This image is inspired by Op Art -Victor Vasarely.[br]The initial triangle is equilateral with side 8u.[br]Each triangle, starting with the second, has its vertices located on the sides of the previous triangle, the side 0.8 times smaller and is rotated by n=8 degrees.
The area of triangle ABC is:
The ratio of two consecutive areas (for example A_2/A_1, A_3/A_2, etc.)