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HELLO GUYS I HAVE A LAKE THAT IS 1500 LINEAR FEET AROUND IT AND I NEED TO FIND OUT HOW MANY SQUARE FEET THAT IS SO I CAN CHANGE THAT TO ACER FEET I AM HOPING IT IS 3 ACER OF SUFFICE AREA PLEASE HELP ME :shock: :?

- BIGC500
**Posts:**1**Joined:**Sat Mar 26, 2005 6:41 am

So, 1500 feet is the perimeter of the lake. But we need to know the shape to determine the area. Duifferent shapes would give different areas for the same perimeter.

1) Circular c= pi * d, so d = c/pi, approximately 477'

then A = (pi/4) *d^2 = 179 049 dq. ft

2) But if it is square, it is P/4 on a side, 375'

The area would only be 140 625 sq. ft.

3) But if it is an absurdly long skinny rectangle

749' by 1', it still has a 1500' perimeter, but the area is only 749 sq. ft.

For a given perimeter, a perfect circle has the largest possible area. To convert area to acres, 1 acre = 43 560 sq. ft., so your lake, MIGHT be as large as 4.1 acres (case 1)

Acre-feet is a measure of volume, it is the surface area in acres, multipled by the depth in feet (assuming the lake is the same depth everywhere, the computation is very complex if it isn't)

1) Circular c= pi * d, so d = c/pi, approximately 477'

then A = (pi/4) *d^2 = 179 049 dq. ft

2) But if it is square, it is P/4 on a side, 375'

The area would only be 140 625 sq. ft.

3) But if it is an absurdly long skinny rectangle

749' by 1', it still has a 1500' perimeter, but the area is only 749 sq. ft.

For a given perimeter, a perfect circle has the largest possible area. To convert area to acres, 1 acre = 43 560 sq. ft., so your lake, MIGHT be as large as 4.1 acres (case 1)

Acre-feet is a measure of volume, it is the surface area in acres, multipled by the depth in feet (assuming the lake is the same depth everywhere, the computation is very complex if it isn't)

- Guest

help me wrote::( how much of an acer is13,600 sq ft

0.312 acres

- Guest

Anonymous wrote:how many feet are in a acer

43560 sq ft. per acre

- Guest

does anyone know how to change square feet into linear feet? :?:

- formulas

7 posts
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