Can someone please help me with two questions?
Are all equilateral octagons equiangular?
Are all equiangular octagons equilateral?
Thx! 
+6251
Are all equilateral octagons equiangular?
No. Imagine the vertices of a regular octagon are hinged joints. Now deform it so it's no longer equiangular.
Are all equiangular octagons equilateral?
No. Make a regular octagon. Now equally stretch any pair of opposite sides.
