An "oblong" is not a specific shape since it could refer to the shape of a running track or an ellipse. The former is effectively circle into which two parallel straight sections have been inserted whereas the second has a finite curvature throughout.
The circumference of a tracklike pool is 77.1 feet while for an ellipse it is 70.7 feet.
Circumfence 2 x 15 x pi = 94 feet 3 inches
It depends how deep the pool is
A circle with a radius (d/2) of 15 cm has a circumference of 94.2 cm
A pool that is 15 feet x 30 feet with the average depth of 6 feet is approximately 25,000 gallons.
the rate that water is coming into the pool, is the amount of water in the pool (x) divided by the amount of time it take to fill the pool. x / 10 the rate to empty the pool is x / 15 the rate to fill the pool wile it is being emptied, is the rate filling the pool minus the rate emptying the pool. x / 10 - x / 15 simplified 3x / 30 - 2x / 30 this gives x / 30 divide the rate the pool is filling, by the amount of water. (x / 30) / x this gives a time of 30 hours to fill the pool.
The circumference of a 30 circle is: 94.25
30 pi = roughly 94.25 inches (rounded)
Circumference = pi x diameter so if the radius is 5 then the diameter is 10 Circumference = pi x 10 = 31.415 If we triple the radius to 15, then the diameter is 30, so Circumference = pi x 30 = 94.245 Which looks like triple the first circumference. So if the radius is tripled, the circumference is also tripled.
There is a place inthe Bible that mentions a circular pool, with a diameter of 10 units and a circumference of 30 units. This suggests that the author believed the ratio of circumference to diameter to be 3.
If a circle circumference is 30 the radius is: 4.77
circumference = 30*pi feet
Circumference = 30*pi feet