A Bowling ball is a sphere.
The following formulas will help: C = 2*pi*r. r = C/2/pi [C is circumference and r is radius]
Volume = (4/3)* pi * r³ ; substitute C = 2*pi*r into the volume formula:
V = (4/3)*pi*(C/2/pi)³ = (4/3)*pi*(C³)/(2³)/(pi³) = (C³)/(6*pi²).
This is helpful, because it isn't very easy to measure the radius of something like a ball, but it's pretty straightforward to wrap a string around it and get the circumference.
Circumference = 2*pi*radius
Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius
To find the density of a penny, you would measure its mass using a scale, then measure its volume by water displacement or using a caliper to measure its dimensions. Divide the mass by the volume to calculate the density of the penny.
Because the ratio of the circumference to the diameter of every circle is pi. So circumference = pi*diameter.
pi x (2xradius)
Using the Circumference And Area.
The volume of a tree trunk can be estimated using the formula for the volume of a cylinder: V = πr^2h, where r is the radius and h is the height. Given the circumference (C = 2πr), we can find the radius (r = C/(2π) = 4.5/(2π)) and then calculate the volume using V = π(4.5/(2π))^2 * 13 = approximately 134.23 cubic feet.
there is no constant that will calculate this, since circumference is calculated with only radius and area with radius squared. you will have to calculate the radius using the initial circumference and then the radius again for the new circumference (with the 50 added). then calculate an area for each radius..then you can see the increase.
mass= density*volume
Density is defined as (mass) divided by (volume).The question only has meaning if it's referring to a spherical object.The volume of the sphere is [ 4/3 pi R3 ], where [ R ] is the sphere's radius.We're given the circumference, and we have to find [ R ].Circumference = [ pi D ] = [ 2 pi R ].R = (circumference) / (2 pi)OK.Volume = [ 4/3 pi R3 ] = [ 4/3 pi (circumference/2 pi)3 ] = [ 4/3 pi (circumference)3 / (8 pi3) ]= (circumference)3 / (6 pi2)And finally,Density = (6 pi2 Mass) / (circumference)3An ugly expression, to be sure; but that's what you get when you have a circumference andwhat you need is a volume.
Pi is 22/7. Therefore, the equation for finding the circumference of a circle using fractions is: 22/7 mutiplied by the diameter of the circle :)
To calculate the molar volume of a substance, you divide the volume of the substance by the number of moles present. This can be done using the formula: Molar Volume Volume / Number of Moles.