Assuming you mean 28ft x 28ft x 6ft you would need 174 2/9 yards of concrete, assuming no waste.
approximately 4,440 gallons.
http://www.havuz.org/pool-calculators.htm
To calculate the volume in gallons of a round pool, do the following calculation: diameter x diameter x depth x 5.9 Example: 28ft x 28ft x 4ft x 5.9 = 18,502.4 gallons
Circumference of the pool = 28*pi feet
28ft = 853.44cm = 8.5344mtr 10ft = 304.8cm = 3.048mtr 8.5344 x 3.048 = 26.013 sq mtr
The dimensions of a limo bus vary on how many people fit. They tend to range from 28ft long to 28ft long, with an average width of between 95" and 102".
Assuming you mean 28ft x 28ft x 6ft you would need 174 2/9 yards of concrete, assuming no waste.
28 feet is 336 inches.
Yes, it is a right triangle.
To find the square feet of a room, you are just finding the area. Area is length times width. So, in a room with dimensions 28 by 28 feet, the square feet is 784.
20ft x 28ft = 560ft2
approximately 4,440 gallons.
10 - 15 minutes
To answer your question you also need to give depth.
8yd is greater than 21ft. 8yd is 28ft
http://www.havuz.org/pool-calculators.htm