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How to solve the circumference by using fomulae p=2

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Joseph Moore

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The formula is simply this: C = (pi)d. In this equation, "c" represents the circumference of the circle, and "d" represents its diameter. That is to say, you can find the circumference of a circle just by multiplying the diameter by pi, which is an approximation of 3.14.

Posted on Jan 30, 2014

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I am trying to find the radius with the circumference of 14 inches. How would I solve that on the Fx-115ES Plus? Thank you, Dianna


Just use the formula: Radius = Circumference/2?. It does not matter what model calculator you have. Good luck!

Nov 10, 2014 | Office Equipment & Supplies

2 Answers

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

1 Answer

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)
Gopakumar Gopalan Google

May 06, 2014 | Computers & Internet

1 Answer

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...

1 Answer

What is the circumference of a circle with a radius of 10 2/7 feet. Use 3.14 as pi.


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

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

Mar 03, 2014 | Computers & Internet

1 Answer

Find circumference of a circle using pi 3.14 circle has a radius of 3.2 in


The formula for circumference of a circle is c=2*pi*r, using 3.14 for pi and 3.2 inches for the radius.

c=2 * 3.14 * 3.2

Good luck.

Paul

Feb 17, 2014 | Computers & Internet

1 Answer

Need to find circumference when you know the diameter is 2


d/2=r, circumference = 2 x pi x r , pi = 3.14159, so circumference = 2 x 3.14159 x (d/2)

Jan 08, 2014 | Computers & Internet

1 Answer

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

1 Answer

What is the radius of a 30'' pipe


what class are you in? Is this your home work? Anyway, You should know that
Circumference = 2 x pie x radius therefore radius - circumference / 2 x pie in this case radius = 30 x 7 / 2 x 22 = 210 / 44 Now you can calculate that fraction.

Nov 17, 2009 | Gateway FPD1975W 19" LCD Monitor

2 Answers

Example of program in c++ and there code


Hello my friend, I am Jonas I work as a programmer in some various programming languages. Here try this code:
This program is design to output the Diameter, circumference, and area given a radius of a circle. #include <iostream.h> int main() { int radius, diameter, circumference, area, pi; cout << " Enter the radius of a circle\n"; cin >> radius; pi = 3.14159; diameter = 2 * radius; circumference = 2 * pi * radius; area = pi * (radius)^2; cout << "Diameter formula executing.....(2 x r)\n"; cout << "Diameter is " << diameter << endl; cout << "circumference formula executing.....(2 x pi x r)\n"; cout << "circumference is " << circumference << endl; cout << "area formula executing......(pi x [r x r])\n"; cout << "area is " << area << endl; return 0; }
Also if you need tutorial you can visit this site Learning C++ .Hope this solution will able to help your problem solved. If you need more assistance just reply to this post or send me a mail at [email protected] you and Godbless.

Jul 09, 2009 | Computers & Internet

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