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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...

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Q: Have multiplied the diameter by pi to find the circumference of a circle but still getting wrong answer?
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What is the realtionship between the diameter and circumference of a circle?

The circumference of any circle is its diameter multiplied by (pi).


How does the diameter connect with the circumference of a circle?

The circumference of any circle is exactly (its diameter) multiplied by (pi).


How would the area of a circumerancebe affected when the diameter of a circle is doubled or triple?

First of all, there's no such thing as the "area of a circumference". The distancearound the circle is called the "circumference", and the area of the circle is calledthe "area of the circle".-- When the diameter of the circle is doubled, the circumference is doubledand the area is multiplied by 4.-- When the diameter of the circle is tripled, the circumference is tripledand the area is multiplied by 9.-- When the diameter of the circle is multiplied by N, the circumference ismultiplied by N and the area is multiplied by N2 .


What is the formula to find the circumference of a circle with the diameter given?

Circumference = (diameter) multiplied by (pi)


What is the ratio of the circumference to the diameter for a circle is?

The circumference is always the diameter multiplied by the value of Pi.


What is the circumference if the diameter is 440?

If you mean a circle, the circumference is equal to the diameter multiplied by pi.


HOW TO FIND the circumfrence of a circle?

The circumference of a circle is (diameter) multiplied by (pi).


What is the diameter of a circle with a inch circumference?

The circumference is equal to the diameter multiplied by pi. Therefore, if you know the circumference, you can divide by pi to get the diameter.


How do you find the the circumference of a circle?

The formula is pi multiplied by the diameter


What is the circumference of a circle that is 11 feet?

Circumference of a circle is pi multiplied by the diameter. If the diameter of the circle is 11 ft, the circumference is: 3.14 x 11 ft = 34.54 ft


How do you find the circumference of a circle when the diameter is 6.8?

The circumference of every circle is its diameter multiplied by (pi). For (pi), use 3.142 or 22/7 .


What is the equation for determining radius of a circle if you have the circumference?

Circumference = Diameter multiplied by Pi Diameter = Circumference divided by pi Radius = Diameter divided by 2.