Question about PetSafe Wireless Fence System For Dogs & Other Animals & Waterproof Collar

Oh wow, lots of math going on here...

There are 4840 square yards in an acre and 9 square feet in a square yard (4840 x 9 = 43,560).

An acre is an old timers measurement used in agriculture...

it was 4 poles wide and 40 poles long. A pole is equivalent to sixteen and a half feet. So back then, an acre was a piece of farming land 660 feet long (220 yards or one eighth of a mile) and 66 feet wide (22 yards or one eightieth of a mile).

Acre is a measure of area, which would be square feet.

Feet are a measure of distance.

The best you could do is something like this:

An acre is 43, 560 square feet.

Draw/imagine a square or a rectangle that would cover that much area.

If it is a square, it would be (approximately) 208.7 feet on each side.

Its perimeter (the distance around it if you walk an imaginary fence around you acre-sized plot) would be 834.8 feet.

Trying to to figure out an acre of 'Circle' - hmmmmm???

Radius = 1/2 of Diameter

sorry, just can't wrap my head around this to come up with the correct equation.

maybe we can get lucky with some other brainiac taking what I did provide and come up with a solution for you?

Square - It would be 208.7 feet across if you walk across it, and the same if you walk the other way across it.

Posted on Apr 11, 2015

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Posted on Jan 02, 2017

3.1416 times the diameter

Pi times 2 times Radius

if 4 feet the radius or the diametre ?

if 4 feet wide then 4 feet * 3.1416

Pi times 2 times Radius

if 4 feet the radius or the diametre ?

if 4 feet wide then 4 feet * 3.1416

Apr 08, 2017 | The Computers & Internet

difficult to know exactly what you are asking here

what is 16000 bbls--abbreviations do not known around the world so you need to be specific

next you are asking for a radius but include a height measurement.

an acre is a surface measurement but as soon as you give a 3rd dimension ( your height) it becomes a volume measurement or cubic ft/ yards or gallons

so post it all again and explain the end result that you want people to answer

what is 16000 bbls--abbreviations do not known around the world so you need to be specific

next you are asking for a radius but include a height measurement.

an acre is a surface measurement but as soon as you give a 3rd dimension ( your height) it becomes a volume measurement or cubic ft/ yards or gallons

so post it all again and explain the end result that you want people to answer

Dec 21, 2016 | Garden

Stone is approximated at about 2700 lbs. per cu. yd.

An acre is 43560 sq. ft.

8.5 acres is 370260 sq. ft.

There 9 sq.ft. per sq. yd., thus there are 41140 sq. yds. in 8.5 acres.

A cubic yard is 3 feet by 3 feet by 3 feet (LxWxH).

Since you are only going to be at 1.5 feet, each square yard is equal to 1/2 cubic yard, so to figure the cubic yards divide sq.yds. by 2, thus you get 20570 cu. yds. of stone.

20570 x 2700 = 55539000 pounds. Divide by 2000 to get tons:

55539000/2000 = 27769.5 tons.

An acre is 43560 sq. ft.

8.5 acres is 370260 sq. ft.

There 9 sq.ft. per sq. yd., thus there are 41140 sq. yds. in 8.5 acres.

A cubic yard is 3 feet by 3 feet by 3 feet (LxWxH).

Since you are only going to be at 1.5 feet, each square yard is equal to 1/2 cubic yard, so to figure the cubic yards divide sq.yds. by 2, thus you get 20570 cu. yds. of stone.

20570 x 2700 = 55539000 pounds. Divide by 2000 to get tons:

55539000/2000 = 27769.5 tons.

Nov 16, 2016 | Office Equipment & Supplies

Hi Paula:

A mathematical logic question.

You need to get all of the measurements in the same units.

- A cubic yard is 1 yard x 1 yard x 1 yard

- equals 3 ft x 3 ft x 3 ft

- equals 27 cubic feet,

so once you have the volume of the pipe in cubic feet, you divide by 27 to get the volume in cubic yards.

- Volume of a cylinder (the pipe) is the cross sectional area X length.

- Area equals Pi x r squared.

- equals 22/7 x 1 x 1

equals 3.14#####

times length (20)

equals 62.857### cubic feet volume

divide by 27 cubic feet

equals 2.328### cubic yards.

- The answer is always the easy part.

- what is important is knowing exactly what the question is, and

- determing what calculations are needed to get the answer.

Wasn't that better than if I'd just said 2 1/3 cubic yards?

Cheers

A mathematical logic question.

You need to get all of the measurements in the same units.

- A cubic yard is 1 yard x 1 yard x 1 yard

- equals 3 ft x 3 ft x 3 ft

- equals 27 cubic feet,

so once you have the volume of the pipe in cubic feet, you divide by 27 to get the volume in cubic yards.

- Volume of a cylinder (the pipe) is the cross sectional area X length.

- Area equals Pi x r squared.

- equals 22/7 x 1 x 1

equals 3.14#####

times length (20)

equals 62.857### cubic feet volume

divide by 27 cubic feet

equals 2.328### cubic yards.

- The answer is always the easy part.

- what is important is knowing exactly what the question is, and

- determing what calculations are needed to get the answer.

Wasn't that better than if I'd just said 2 1/3 cubic yards?

Cheers

Jan 05, 2016 | Office Equipment & Supplies

Hi

A square-shaped acre would then be about 208.7 by 208.7 feet (because 208.7 x 208.7 = ~43,560, which is the defined area of an acre.)

Hope this helps.

-Steve

How big is an acre

A square-shaped acre would then be about 208.7 by 208.7 feet (because 208.7 x 208.7 = ~43,560, which is the defined area of an acre.)

Hope this helps.

-Steve

How big is an acre

May 21, 2015 | Office Equipment & Supplies

First figure the area of the circle. The formula is

pi r squared, or

3.14 x (9x9).

Pi = approx 3.14.

Radius of 18' circle is 9'.

Area of circle is 254.34 square feet. To get cubic feet, multiply the area in feet by the depth in feet. In this case, since the depth is only one foot, the cubic feet will be 254.34 cubic feet (254.34 x 1)

pi r squared, or

3.14 x (9x9).

Pi = approx 3.14.

Radius of 18' circle is 9'.

Area of circle is 254.34 square feet. To get cubic feet, multiply the area in feet by the depth in feet. In this case, since the depth is only one foot, the cubic feet will be 254.34 cubic feet (254.34 x 1)

May 06, 2015 | Office Equipment & Supplies

If 24 feet is the radius of the circle then about 452.4 cubic feet. If 24 feet is the diameter then about 1810 cubic feet.

Apr 30, 2014 | Office Equipment & Supplies

One acre is about 43,560 square feet. It could be one foot by 43,560 feet, 2 feet by 21,780 feet, 3 feet by 14,520 feet, etc, all the way to about 209 feet by 209 feet.

Mar 14, 2014 | GPS

Using the formula: C = Pi * Diameter ..... where Diameter = 2* radius

Your circumference is Pi x 2 x 10 2/7 ft

Your circumference is Pi x 2 x 10 2/7 ft

Mar 03, 2014 | Computers & Internet

The circumference of any circle is pi (lowercase Greek letter pi) multiplied by the diameter. For a four-foot diameter circle the circumference is about 12 feet 7 inches.

Feb 24, 2014 | Mathsoft Computers & Internet

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