LOL, Rhind Mathematical Papyrus problem # 50 What is the area of a circular field with a diameter of 9. The written solution states, subtract 1/9 of of the diameter which leaves 8 khet. The area is 8 multiplied by 8, or 64 setat.
Find pi in that statement? Fact: You cannot find pi without invoking pi in some manner to derive 256/81. Give it a try without pi!