# Circumference of a circle - Computers & Internet

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The number pi is a mathematical constant that is the ratio of a circle's circumference to its diameter and is approximately equal to 3.14159

Posted on Nov 24, 2013

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## Related Questions:

### 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.

Feb 24, 2014 | The Learning Company Achieve! Math &...

### Create a flowchart that computes for the circumference of circle. Assume that the value for radius is 7.23.Your flowchart should be able to show the value of the circumference.The pie value is 3.1416 which...

Create a flowchart that computes for the circumference of circle. Assume that the value for radius is 7.23.Your flowchart should be able to show the value of the circumference.The pie value is 3.1416 which is constant and never be changed.You can compute the circumference by using this formula 2piR?

Jul 06, 2011 | Computers & Internet

### Diameter of a circle is 2.3cmcalculate the circunference of the circle.use 3.14 for pi

The problem is not related with PC or Laptops. But it is true the question may be related with computer language.

Ans in QBASIC:
10 REM DETERMINE CIRCUMFERENCE OF A CIRCLE 20 PRINT "DIA = D = 2.3cm CIRCUMFERENCE=C PI=3.14" 30 D=2.3 40 C=3.14*D 50 PRINT "CIRCUMFERENCE, C=";C 60 END

Ans in C:
#include<stdio.h> define pi 3.14 main() { float d=2.3,c; printf("\nDiameter D=2.3cm given"); c=pi*d; printf("So the circumference is(in cm) =%.3f",c); getch(); }

Jun 08, 2010 | Computers & Internet

### 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.

Nov 17, 2009 | Gateway FPD1975W 19" LCD Monitor

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