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What is the subset of pi?
pi is a single number , not a set. Since it is not a set, it cannot have a subset.
Which subset of the real number does pi belong?
It belongs to any subset which contains it. For example,the interval (3, 4){pi}{1, pi, 3/7}{27, sqrt(7), pi}
What is the circumference of a circle with an area of 81?
In every circle . . .Area = (pi) x (radius)2Diameter = 2 x radiusCircumference = (pi) x diameterIn this circle, Area = (pi) R2 = 81R2 = 81/piR = sqrt( 81/pi )Diameter = 2 x sqrt( 81/pi )Circumference = (pi) x 2 x sqrt( 81/pi ) = 2 x sqrt( 81 pi ) = 18 sqrt(pi) = 31.9042 (rounded)
What is the radius if the area of the garden is 81 times pi ft?
The radius is 9 feet because pi*92 = 81*pi
If the diameter of a circle is 18 what is the area with pi?
Area of circle: 81*pi square units
What is Pi x 81?
3.14 x 81 = 254.34
How do you find the radius of a circle if area is 81 pi?
Divide the 81 pi by pi, then square root it. (Use the formula for area of circle, which gives 81pi=pi*radius squared, but rearrange to find the radius). i.e. it's the square root of 81
Ratio of circumference of a circle to its diameter?
The ratio is pi, a transcendental number, which is a subset of irrational numbers. pi is approximately equal to 3.14159
What is the circumference of a circle if the area is 81 pi square feet?
If: pi*radius2 = 81*pi sq ft Then: radius = 9 feet Circumference = 2*pi*9 = 56.549 feet rounded to 3 decimal places
Which subset does not contain 0?
Any collection or set (or subset) that does not contain 0. For example {3, pi, -37.6, sqrt(98), blue, dog, safuggff}
What did Egyptians use Pi for?
The Egyptians used 256 divided with 81 to calculate pi.
What is the volume of a cylinder with a radius of 9 cm and a height of 8 cm?
648pi. (pi = 3.14159...)Area of a circle = (pi) x (radius squared)= (pi)(9 squared) = (pi)81.Area of a cylinder = area of circle x height.= (pi)81 x 8= 648(pi)
