“Cournot noted that if one averaged the respecticvee sides of a collection of right triangles, the resulting figure would not be a right triangle...” — Stephen Stigler Copy Share Image
“On what may be the last page he wrote in his notebooks, Leonardo drew four right triangles with bases of differing lengths (fig. 143). Inside of each he fit a rectangle, and then he shaded the remaining areas of the… — Walter Isaacson Copy Share Image
