Promise rings meaning is a symbol of commitment and is often seen as a pre-engagement rings. However, it can be given for many different reasons, such as a symbol of chastity, loyalty, monogamy, friendship, or even a promise to oneself to stay clean and sober.
Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons).
The most common and most basic is the rectangular swimming pool. To determine the volume of rectangular pools, multiply the length of the pool by its width and by its average depth. For a circular pool, multiply the squared radius of the pool by Ï (pi) and by its average depth. For an elliptical pool, multiply Ï/4 by the major diameter, minor diameter, and average depth.