# Find circumference of a circle

What is the circumference of a 15" circle

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Circumference = 3.142 * 15" = 47.13"

Posted on May 06, 2014

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Posted on Jan 02, 2017

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## Related Questions:

### If the circumference of a circle is 15m what is the diameter?

You can go to https://www.omnicalculator.com/math/circumference and calculate.

Anyway:
The diameter is the length of the line through the center that touches two points on the edge of the circle.

Aug 27, 2017 | The Computers & Internet

### With the radius of 3.5 inches and the height of 15 inches what is the square inches

It sounds like you are trying to determine the surface area of a cylinder.

The area of the top and the bottom of the cylinder (which are circles) are pi x r ^ 2. Since there are two of them, we have to multiply this answer by 2.

The surface area of the side is going to be the circumference of the circle times the height. The circumference is 2 x pi x r and the height is 15 inches.

To get the total surface area, we have to add these amounts together.

Good luck,

Paul

May 13, 2017 | Homework

### 15" circle what is outside measurement

If you would like to know the circumference of a 15" diameter circle this is the formula:
circumference = radius x 2 x pi
circumference = diameter x pi

in our case:
circumference = 15" x 3,14
circumference = 47 ,1" (that's 119,634 cm)

May 06, 2014 | Cars & Trucks

### What is the circumference of a 15" circle

What do you mean? The circumference of a circle having a radius or 15"? If so, it will be [2 x 3.14 x 15] = 94.2".
Since circumference of a circle = 2 x (pai) x r (r = radius)

May 06, 2014 | Computers & Internet

### Help finding the circumferance of a circle

The circumference of a circle is given by the expression
Circumference= 2* PI* Radius of circle
C=2*Pi*R
The area is given by
Area of a disk with radius R = Pi* R*R or PI*R^2
Area= PI*R^2

Mar 11, 2014 | SoftMath Algebrator - Algebra Homework...

### Circumference of 4 foot diameter circle

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...

### What is circumference of 4 foot radius circle

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

### What is the circumference of 4 foot circle

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.

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### The circumference of a circle is 47.1 feet. What is the diameter of the circle?

The circumference of a circle is C=2 * pi * r or C= pi * d.

What do we know? C=47.1 and pi.

What are we trying to calculate? d

Put what we know in the equation and solve for d.

47.1 = pi * d

To isolate d, we have to divide both sides by pi.

47.1
------ = d
pi

I get 14.99' or approximately 15' as the diameter.

Good luck,
Paul

Apr 17, 2013 | Office Equipment & Supplies

### What is the radius of a 30'' pipe

30" diameter? Radius is 15" (half of diameter).

30" circumference (distance around) is a little more complicated...

The number is the ratio of the circumference of a circle to the diameter. The value of is approximately 3.14159265358979323846...The diameter of a circle is twice the radius. Given the diameter or radius of a circle, we can find the circumference. We can also find the diameter (and radius) of a circle given the circumference. The formulas for diameter and circumference of a circle are listed below. We round to 3.14 in order to simplify our calculations.

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