Bottom of the pool is circular in shape and its radius is 9 feet. Thus area of bottom of pool = pi x r2 = 3.14159265 x 92 = 254.469005 sq. feet
Assuming you mean it's a circular pool (a cylinder), then the area of the bottom face of the pool would be (pi*92), which comes to 81pi or about 254.469 feet2.
9
The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.
Because the area of a circle is pi*radius2. So, if you triple the radius to 3*radius, the area becomes pi*(3*radius)2 = pi*(32*radius2) = pi*9*radius2 that is, 9 times the original area.
Bottom of the pool is circular in shape and its radius is 9 feet. Thus area of bottom of pool = pi x r2 = 3.14159265 x 92 = 254.469005 sq. feet
Assuming you mean it's a circular pool (a cylinder), then the area of the bottom face of the pool would be (pi*92), which comes to 81pi or about 254.469 feet2.
The volume of a cylinder is the area of its base multiplied by the height. [In this case, the "height" of the cylinder is the depth of the pool.] The base of the pool is a circle with radius of 9 m. The area of a circle is the radius squared times pi, which in this case is 81*pi m^2. Multiply this by the depth of 3.5 and you get 283.5 * pi cubic meters.
since c of the pool is 18 then 2pieR = 18 /2 pieR=9 /pie R=9/pie the radius is 9/pie
If it's rectangular, then the area of the water's surface is (9' x 18') = 162 square feet. The bottom of the pool has a different area if it's slanted.
9
Go to http://www.havuz.org/pool-calculators.htm
A circle with a radius of 9 feet has an area of 254.47 square feet.
If you triple the radius of a circle, the area will increase by 9. Area is proportional to the square of the radius.
The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.
The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.
i believe that it is 18 if the radius is 9 edit: wrong, area = pi*radius^2 so it's 3.1415926535*81=254.469