An eight-foot wide round table is 50.27 square feet.
5 feet
19 feet!
About 7/8 foot
30 feet!
Basically, you don't. You can't convert square feet to feet.
5 feet
(8 feet) The word round gave it away.
If you describe a table as being 6 foot, that would normally mean that it is 6 feet long, and rectangular in shape rather than round. Only round tables have a diameter. The term doesn't apply to rectuangular tables.
19 feet!
About 7/8 foot
Linear feet is the length. An eight foot long rope has eight linear feet.
Yes.
A 22-foot round pool that is 4 feet deep holds about 43,238.5 liters of water.
if 4 foot is the circumference then the diameter is 4/pi = 1.27323954
30 feet!
24 feet long.
The circumference is 188 feet.