Subject: Octagon problem How do I figure the length of the sides of an octagon when all I know is the diameter (4.375). Craig
Middle Thank you, Hi Craig,
For the regular octagon in the diagram below let a be the length of each side. From the symmetry, the triangle PQR is a right triangle with two sides of equal length. I have called this length b. From the theorem of Pythagoras, Penny
