c = 3.14 x the diameter
Circumference = 72*pi
According to eHow, your base area must support at least 1/3 of the table top area.
25pi
A table which is 90 inch around its outside (circumference) is 28.648 inches (to 3 dp) across (diameter).
Eight Feet will give each person plenty of room
If the table is 60 inches across, the diameter is 60 inches.
234
Circumference = 72*pi
It is 1.91 feet.
9'0" Diameter
c = 3.14 x the diameter
Circumference = 72*pi
if 4 foot is the circumference then the diameter is 4/pi = 1.27323954
According to eHow, your base area must support at least 1/3 of the table top area.
The table would have to be at east ten feet in diameter.
119.32