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Posted on Jan 02, 2017

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Assuming 8 feet is the diameter, about 50.265 square feet.

If the 8 feet is the radius, about 201.061 square feet.

If the 8 feet is the radius, about 201.061 square feet.

Dec 27, 2016 | Miscellaneous

Basic school maths Pi R Squared, but are you sure this pool is 35 FEET deep?

Pi, (3.142) x radius squared

the radius is half the diameter x itself, x depth. and then

**T**here are 7.48 gallons in cubic foot

Your pool diameter is 15' diameter, so 7.5 radius. 7.5 x 7.5 is 56.25. Multiply that by the depth. Multiply that answer by 7.48 gallons

Area of Circle

Pi, (3.142) x radius squared

the radius is half the diameter x itself, x depth. and then

Your pool diameter is 15' diameter, so 7.5 radius. 7.5 x 7.5 is 56.25. Multiply that by the depth. Multiply that answer by 7.48 gallons

Area of Circle

May 25, 2016 | Pool & Spa

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

A total of 63 linear inches is 5 ft 3 in, or 5.25 linear ft.

.

.

Dec 03, 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

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 StudyWorks! Mathematics Deluxe...

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

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 | The Learning Company Achieve! Math &...

Assuming the 20 feet is the diameter, about 314.2 square feet.

Feb 21, 2014 | Computers & Internet

Hi,

Do you mean circumference or diameter??

The diameter of a 5 foot circle is 5 feet...

otherwise the circumference is 5 X 3.142

heatman101

Do you mean circumference or diameter??

The diameter of a 5 foot circle is 5 feet...

otherwise the circumference is 5 X 3.142

heatman101

May 24, 2011 | Cameras

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