How do i fashion a octagon? I have a square i.e. 170 inches side each and i...

I have a square i.e. 170 inches side each and i inevitability to make a octagon. plz comfort me i need this for a deck. Thank u
Please Help me?
Answers:    Hi in that, 360 divided by 8 equals 45 degrees. All you want is a protractor and a straight edge. Geometry sixth level, remember?
Making a box big satisfactory for someone to...
Center the sides, measure 42 1/2 inches respectively way from the center dupe, then draw a strip to the other side. that should give you the angles and the distances you necessitate.
Which is "greener": spraying 100,00 oat grain on...