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If you know the radius, double that to get diameter. If you have neither radius or diameter, then measure around the outside.

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6y ago
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6y ago

Measure the length along the circle.

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Q: How do you figure out the circumference of something without knowing the diameter?
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Continue Learning about Math & Arithmetic

How do you calculate the radius of a turn based on a path or curve without knowing the circumference or diameter?

You cannot.


How do you find the circumference of a circle without knowing the area?

To find the circumference of a circle, you need only know the radius or diameter of the circle. The circumference of a circle is calculated as 2 x Pi x radius OR Pi x diameter. Pi is approximately 3.1415926.


Have multiplied the diameter by pi to find the circumference of a circle but still getting wrong answer?

You are correct that the circumference of a circle = pi * diameter. One possibility is that pi need to have a certain precision to have an answer to match your known solution. Without knowing more about your problem and the supposed answer, I cannot help you further. P.S. pi = 3.1415926535897932384626433832795... =======================


How many linear feet are in 157 diameter?

To find the linear feet in a given diameter, you need to know the circumference (or perimeter) of the object. The formula to calculate the circumference is circumference = π × diameter. Without the circumference, it is not possible to determine the linear feet.


How do you find the diameter without the circumference?

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).

Related questions

How do you calculate the radius of a turn based on a path or curve without knowing the circumference or diameter?

You cannot.


How do you find the diameter of a cylinder without knowing the radius or diameter?

Take the circumference divided by pi to find the diameter and divide the diameter by two to find the radius.


How do you find the area of a circle without knowing the radius?

If the circumference or diameter is given then you can find the radius or simply measure the distance from the centre of the circle to the circumference.


How do you find the circumference of a circle without knowing the area?

To find the circumference of a circle, you need only know the radius or diameter of the circle. The circumference of a circle is calculated as 2 x Pi x radius OR Pi x diameter. Pi is approximately 3.1415926.


What is the radius for 13.3m?

This question cannot be answered without knowing if 13.3 m refers to the diameter or the circumference or some other measure.


How much fluid will fill a 3.5 inch by 12 inch cylinder?

It is not possible to answer the question without knowing which of the two given values is the height and whether the other number is the radius, diameter or circumference.It is not possible to answer the question without knowing which of the two given values is the height and whether the other number is the radius, diameter or circumference.It is not possible to answer the question without knowing which of the two given values is the height and whether the other number is the radius, diameter or circumference.It is not possible to answer the question without knowing which of the two given values is the height and whether the other number is the radius, diameter or circumference.


How do you find the circumference of a circle without the diameter or radius?

a protractor


Have multiplied the diameter by pi to find the circumference of a circle but still getting wrong answer?

You are correct that the circumference of a circle = pi * diameter. One possibility is that pi need to have a certain precision to have an answer to match your known solution. Without knowing more about your problem and the supposed answer, I cannot help you further. P.S. pi = 3.1415926535897932384626433832795... =======================


How much water is in a 8 ft diameter pool?

You have to know how deep the pool is....and is it a perfect circle? We know the diameter of the pool & therefore the radius & with the aid of Pi we can find the circumference, but without knowing the depth of the water the Q cannot be answered.


How many linear feet are in 157 diameter?

To find the linear feet in a given diameter, you need to know the circumference (or perimeter) of the object. The formula to calculate the circumference is circumference = π × diameter. Without the circumference, it is not possible to determine the linear feet.


How do you find the diameter without the circumference?

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).


Can you find the circumference of a cylinder without knowing the height?

C = 2pi * r