The circumference of any circle is the distance around the outside. You can take a piece of string and measure the outside of the quarter. See how much string fits around the outside. Then put that length of string up against the edge of a ruler and see how long it is.
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using the formula circumference=diameter X pi: circumference=diameter X pi circumference/pi=diamter X pi/pi circumference/pi=diameter therefore, diameter=circumference/pi diameter=12mm/3.14 diameter=3.821mm
Circumference = 2*pi*radius So the radius = circumference/2*pi
Using a formula, you multiply 23 with number 'pi' or about 3.14 and that is around 72 and 1/4
Fifty Cent piece, quarter, penny
Circumference = 2*pi*radius
circumference = π x diameter π = 3.14159...
Thee formula for the circumference of a circle should read 2*pi*radius or pi*diameter. In which case using either formula its circumference is 88 inches rounded.
Aryabhatta found area of circle as pi*d^2/4 which is equal to pi*r^2. He gave direct results in his book aryabhattiyam. He also stated volume of sphere as 1.776pi*r^3, which is approximately correct.
The circumference of a circle with a radius of 6.74 inches is approximately 42.34 inches. The circumference of a circle is found using the circumference formula: Circumference = 2 * π * radius So, all you have to do is plug in the radius into the formula, and approximate π to be 3.14159.
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The formula to find the circumference of a circle is C = πd, where d is the diameter. Using this formula, the circumference of a circle with a diameter of 18 in is C = π × 18 = 56.52 in.
The circumference of a circle with a known radius and can calculated using the following formula: C = 2Π(r)
Multiply the diameter times pi.
The diameter of a circle can be found without the circumference using the formula d = 2r. This formula requires that you know the radius of the circle which is half of the diameter. To calculate the diameter you need to multiply the radius by 2. For example if the radius of the circle is 4 then the diameter would be 8 (4 x 2 = 8).You can also find the diameter of a circle if you know the circumference. To do this use the formula c = d. By rearranging the equation you can calculate the diameter as d = c/. For example if the circumference of the circle is 12.5 the diameter would be 4 (12.5/ = 4).
Circumference is found by multiplying the diameter by pi (approx. 3.14). Using this formula, A circle with a diameter of 60 inches has a circumference of approximately 188.4 inches.
Using the formula C=dπ. You can leave pi in the formula and have 11π or approximate the answer and get about 34.54.