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The circumference and area of a circle, with radius r is: circumference = 2*pi*r and area = pi*r2 Use the first to calculate r and then the second to calculate the area.

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The circumference of a circle is 628 centimeters What is the approximate radius of the circle?

circumference (C) = 2piR = Two x Pi x Radius Pi = 3.14.... R= C/2pi if C = 628 R = 628/ 2 (3.14...) R= 99.949 cm


What is the circumference of a circle with a radius of 100 feet?

200*pi feet, or approximately 628 feet. The formula for the circumference of a circle is C = 2*pi*r.


How do you fund the circumference of circle when you know the area?

You dived the area by the circumference of the circle.


Is the Area of a circle and circumference of a circle have the same thing?

No,Circumference is like the perimiter and Area is the whole circle.


Is the circumference and area of a circle the same?

The circumference of a circle is the distance arround the edge of the circle. The area of a circle is how big the inside of the circle is.


What is the formula for finding circumference and area of a circle?

Circumference of a circle is (pi * diameter). Area of a circle is (pi * r2).


Area of a circle with a 12 inch circumference?

The circumference of a circle is given by Circumference = pi x diameter. The area of a circle is given by Area = pi/4 x diameter2. Thus for a circle with circumference c = 12 in. The area will equal a = 11.459 in2.


What is the area of a circle that has a circumference of 16 PI?

The area of a circle that has a circumference of 16pi is: 201.1 units2


If the area of a circle is 28.26 what is the circumference?

If the area of a circle is 28.26 the circumference is: 18.84 units.


What is the area of a circle if its circumference is 20π?

The area of a circle, if its circumference is 20π, is: 314.16 square units.


What is the area of circle with a circumference of 20?

The area of circle with a circumference of 20 is: 31.83 units squared.


What is the circumference of a circle when the area is 69 cm?

The circumference of a circle when the area is 69cm2 is about 29.4 cm

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