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# How do you measure irregular land acreage?

To measure the acreage of an irregularly shaped lot, first measure the perimeter of the entire space in question. Next, divide the property on paper into as many triangles as fit the dimensions, calculate their areas and add them together. The proper tool for such calculations is Heron's formula.

Continue ReadingThe first step, calculating the perimeter of the lot, can be the most difficult one, and may require sophisticated surveying equipment to complete. When considering dividing the resulting shape into triangles, remember that a four-sided polygon produces two triangles; a five-sided one, three. Next, name each triangle using a three-letter designation, such as ADE and EBC, with each pair of contiguous triangles sharing one letter marker.

To use Heron's formula, first recognize its appearance: the area of the triangle is equal to the square root of (S(S-a)(S-b)(S-c). In this case, A, B and C represent the lengths of each triangle side respectively, and S denotes the semiperimeter, or half of A plus B plus C. It may be easier to first designate all the measurements of the lot in feet, yards or miles, and then convert the final calculation into acres. One acre is equal to 4,3560 square feet, 4840 square yards and .0015625 square miles.

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## How do you find the perimeter of a polygon?

A: To find the perimeter of a polygon, add the lengths of each side together. The sum is the total perimeter.... Full Answer >Filed Under: -
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## What is the formula for perimeter?

A: The formula for finding perimeter is to add up the lengths of all sides of the object. If the object is a circle, then the radius is used to find the perim... Full Answer >Filed Under: -
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## How do you solve for the perimeter of an isosceles triangle?

A: The perimeter of a triangle is the sum of all the sides of the triangle, and you determine the perimeter of any triangle by adding the lengths of all three... Full Answer >Filed Under: -
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## How do you find the area of a pentagon?

A: To calculate the area of a regular pentagon, the perimeter of the polygon is multiplied by the apothem and the result is divided in half. The mathematical ... Full Answer >Filed Under: