Wiki User
∙ 13y agopi x (2xradius)
Wiki User
∙ 13y agoUsing the Circumference And Area.
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.
Circumference = 2*pi*radius
well if the radius is given then the diameter is : d=2r. as for in a circle the diameter is : d=2(pi)r pi=3.14
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).
Using the Circumference And Area.
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
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.
Circumference of a circle = 2*pi*radius
To calculate the radius of a circle by using the circumference, take the circumference of the circle and divide it by 2 times π. For a circle with a circumference of 15, you would divide 15 by 2 times 3.14 and round the decimal point to your answer of approximately 2.39
Circumference = 2*pi*radius
// macro definitions: #define PI 3.14159265358979323846 #define CIRCUMFERENCE(radius) (2. * (radius) * PI) // use this as in CIRCUMFERENCE(21.34)
The circumference of a circle can be measured by using the formula: C = 2πr, where C is the circumference and r is the radius of the circle. Simply multiply 2 times π (approx. 3.14) by the radius of the circle to calculate the circumference.
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.
The circumference of a circle with a known radius and can calculated using the following formula: C = 2Π(r)
The circumference of a circle is calculated using the formula C = 2πr, where C is the circumference and r is the radius of the circle. In this case, if the diameter of the circle is 24 cm, the radius would be half of that, which is 12 cm. Using the formula, we can calculate the circumference as follows: C = 2πr C = 2π(12 cm) C = 24π cm So, the circumference of a circle with a diameter of 24 cm is 24π cm.
To find the circumference of a circle when you know the area, you first need to find the radius of the circle using the formula for the area (area = πr^2). Once you have the radius, you can calculate the circumference using the formula for the circumference (circumference = 2πr).