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

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Q: How may acres is an area with a circumference of 4 miles?
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Continue Learning about Other Math

What is the diameter of a 8cm circumference?

To find the diameter of a circle with an 8cm circumference, you can use the formula C = πd, where C is the circumference and d is the diameter. Plugging in the given circumference of 8cm, you get 8 = πd. To solve for d, divide both sides by π, giving you d = 8/π. Therefore, the diameter of a circle with an 8cm circumference is approximately 2.55cm.


How do you find the area of a circle when the radius is unknown?

By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.


How do you find the circumference of a circle from the radius?

Square the radius and multiply the result by 3.14. You may want additional digits of pi for greater precision, but that's the basic idea.The formula is πr² (that's "pi r squared," if the character doesn't show up properly).ANSWER:The above answer is wrong! The above gives the area of a circle, not the circumference. Besides pie are round, cornbread are square. Pi = 3.1416 as stated above.The circumference of a circle is 2 times the radius times pi .This is because pi for all circles is the circumference divided by the diameter. So, pi times the diameter equals the circumference. The diameter is twice the radius.


How many linear feet in 40 acres?

Acres is an area and feet is a length. That does not go together. "Linear" is an unnecessary word, because all distance measurements are linear. To answer this, 40 acres in a perfect square is equal to 1/4 mile by 1/4 mile, or 1320 ft. by 1320 ft. So if you are asking "what is the total perimeter of 40 acres?" the answer would be 1 mile, or 5280 ft. You may also find acre dimensions measured in rods. 1 rod = 16.5 ft. Here is a handy little link http://www.systemfence.com/images/systemfence/Information_pages/Fence_measurement_Page.pdf


What is the center and edge of a circle called?

The centre of a circle is simply called the cnetre. The edge may called the perimeter, the circumference or the edge.