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The radius of the cylinder is 14 inches To find its circumference use?
Use: 2*pi*radius = circumference
What is the circumference when the radius is r?
To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr
When do you need to use circumference in daily life?
Circumference is used in daily life by people who make cars, glasses, and contacts. Bakers use circumference when making pies.
Why do we use pi?
The ancient civilisations, 4000 years ago, Sumerians, calculated 'pi' to be 3.141592..... The story goes ; A donkey on a tether ( radius) was driven around in a circle (Circumference) to drive water up from a well. They noticed that however, long the tether (radius) was , the correspodning circle(circumference) was always in the same ratio. ; pi = 3.141592..... This can be mathematically expressed as Circumference is directly proportional to the diameter. or 'C' is directly proportional to 'd ' This can be equated with a constant C = k d Algebraically rearranged as k = C/d Whatever the dimensions of a given circle were/are 'k', the constant, was always found to be 3.141592.... Much later after the Sumerians, the Classical Greeks, gave the name 'pi' to this constant. 'pi' being the lower case classical Greek letter 'p' and refers to **P**roportion. Hence 'pi' , today is used as this constant of proportion for circles. 'pi' is an irrational number, which means in casual terms, the decimal digits go to infinity and there is no regular order in the decimal digits. On 'Supa-Dupa' computers' pi' has been calculated to some 50 billion places and still going. NB Remember the circle equations. C = pi d C = 2 pi r ( d = 2r) A(area) = pi r^(2) When learning circle calculations you are probably given pi as 3.14, or .3.1416. or 22/7, but these are only approximate values, and NOT exact values. Hope that helps!!!!!
What is the diameter of 108 circumference?
To find the diameter from the circumference, you can use the formula: diameter = circumference / π. For a circumference of 108, the diameter would be approximately 108 / 3.14, which is about 34.4 units.
How do you determine the circumference of a circle if you know the radius?
use the formula pi*diameter = circumference and the formula diameter = 2*radius and combine them 2pi*radius = circumference now you have a formula that you can just plug you numbers into. if you have 3 as your radius, then this is how to find the circumference 2pi*3=circumference 6.28*3=circumference 18.84=circumference
Use circumference in a sentence?
Let's traverse the circumference of the park before we pace off it's diameter.
Do you square an answer when you use circumference?
There is no need to square the answer. The circumference of any circle is 2 radius pi or 2rπ.
What is the circumference of a circle with diameter of 20 centimeters use 3.14?
Circumference = 20*3.14 = 62.8 cm
What formula do you use to find the diameter of the circumference?
the circumference of the circle divided by pi (button or 3.14) - Maths
What formula do you use if you know the diameter of a circle and want to find the circumference?
circumference of a circle = pi * diameter.
What is diameter of 53 inches circumference?
To find the diameter from the circumference, you can use the formula: diameter = circumference / π. For a circumference of 53 inches, the diameter would be approximately 53 / 3.14, which equals about 16.9 inches.
