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It depends on what information you have: radius, diameter, lengths of tangents from a point outside the circle, length of chord and its distance from the centre, etc. Also, the term is circumference, not circumfrence.

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Q: How do you find area and circumfrence of a circle?
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Related questions

How do you find the circumfrence of a circle when you have the area?

Divide the area by pi then square root your answer which will give the radius of the circle and use 2*pi*radius to find the circumference.


What is circumfrence and how do you find it?

The circumfrence is like a perimeter. It is the area around a circle. You can find the circumfrence of a circle by using this formula. Pi x R2 or Pi times the radius squared.


What is the area of a circle that has a circumfrence of 18?

The area of a circle that has a circumference of 18 is 25.78 inches squared.


HOW TO FIND the circumfrence of a circle?

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


How do you find the radius of a circle if you don't have the area?

If you do not have the area, what do you have? The radius is half the diamiter The radius is PieR2 Worked backwards if you know the circumfrence.


What is the formula for an circle in area?

The circumfrence; Pi (or 3.14) times the width across the circle :)


How do you find the circumfrence of a circle if you have the radius?

the circumfrence of a circle is pi times it's radius squared.


What is the area of a circle with a circumfrence of 33?

Approximately 86.7 units squared.


How do you find the diameter of a circle if you have the circumfrence?

divide by pi which is 3.1415927 and on and on


HOW DO YOU FIND THE CIRCUMFRENCE AND AREA OF A QUESTION?

If you mean of a circle then they are as follows:- Circumference = 2*pi*radius or diameter*pi Area = pi*radius squared


How would you find the circumfrence of a circle?

If you know the diameter of the circle, multiply that by Pi (about 3.1416). The result is the circumference.


How do you find the radius of a circle if you know the circumfrence?

radius = circumference/(2*pi)