Home Introduction Posters Problems Biographies Cool Links The Design Team

The second box is the only box in which the triangle formed by the three dots does not have an obtuse angle. The third box is the only box in which the middle shape is not a rectangle. The last box is the only box in which the curve or line has a negative slope; ie it is the only one in which the line or curve slopes downward as you travel from the blue box toward the black box.