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# What is the circumference if the area is 4?

Updated: 12/8/2022

Wiki User

13y ago

If the circle's area is four square units, the circumference is 7.089 units.

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13y ago

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Q: What is the circumference if the area is 4?
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### What is the formula for area circumference?

Area = (Circumference)2/(4*pi)

### How do you find the area of a cirle with the circumference?

Area = circumference squared... You do circumference divided by 4,... and then divide that by Pi.

### Finding the diameter if given the circumference and area?

Circumference = pi*d Area = pi*d2/4 So 4*area = pi*d2 4*area/Circumference = pi*d2/(pi*d) = d

### What is the relationship between the circumference of a circle and the area of a circle?

Area = (Circumference squared)/4 pi Circumference = 2 sqrt(Area times pi)

### What is the area of a circle if the circumference is 6'?

area from circumference area = ( circumference2 / (4 * pi) ) area = 2.865 square feet (approx)

### What is the circumference of a circle with the given area in terms of pi when the area equals 4 pi?

The circumference is 4pi

### What is the circumference of 4 acres in miles?

If the area is a circle, the circumference is 0.28 miles.

### How may acres is an area with a circumference of 4 miles?

If the area is a circle with a four-mile circumference, the area in acres is: 814.72 acres.

### How do you find the area of a circle when you already know the circumference?

radius = circumference/(2*pi)area = pi*radius2So Area in terms of Circumference is A = pi [C/2pi]2or (circumference)2/4 pi

### When given a circumference how do you find the area?

A = C^2/(4 pi) The area of the circle is... The circumference squared... divided by 4... divided by pi If you already know the area, then you can multiply it by 4*pi, and then the square root of the product is equal to the circumference! C = (A*(4 pi))^(1/2)

### How do you get the circumference of a circle knowing the area?

area = &pi; x radius2 &rArr; radius = &radic;(area &divide; &pi;) circumference = 2&pi; x radius &rArr; circumference = 2&pi; x &radic;(area &divide; &pi;) &rArr; circumference = &radic;(4&pi;2 x area &divide; &pi;) &rArr; circumference = &radic;(4&pi; x area) So knowing the area, the circumference can be calculated by taking the square root of the area multiplied by 4 times &pi; Example: What is the circumference of a circle with area 78.54cm2 Circumference = &radic;(4&pi; x area) = &radic;(4&pi; x 78.54cm2) ~= 31.42cm

### How do you find the area of a circle after you've got the circumference?

Area of the circle = (circumference)2 / (4 pi)Area = 0.0796 circumference2(rounded)