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Circumference of a Circle - Math Goodies

www.mathgoodies.com/lessons/vol2/circumference.html

Pi is the ratio of the circumference of a circle to its diameter ... Thus, the diameter of a circle is twice as long as the radius. ... 3.14 to calculate your answers.

How to Calculate the Diameter of a Circle (with Cheat Sheet)

www.wikihow.com/Calculate-the-Diameter-of-a-Circle

How to Calculate the Diameter of a Circle. Calculating a circle's diameter is easy if you know any of the other dimensions of the circle: the radius, the ...

Online Conversion - Circle Solver Calculator

www.onlineconversion.com/circlesolve.htm

Solve area, diameter, and circumference, circle equations.

www.ask.com/youtube?q=Calculate Diameter of Circle&v=mEqUcfDC5rM
Apr 6, 2011 ... A how to video on How To Determine The Diameter Of A Circle that will improve your math skills. Learn how to get good at math from ...

LESSON: Circumference of Circles: READ: Find the Diameter or ...

openhighschoolcourses.org/mod/book/view.php?id=258&chapterid=502

Find the Diameter or Radius of a Circle Given Circumference. What happens if you are given the circumference but not the radius or the diameter? Can you still  ...

Diameter - math word definition - Math Open Reference

www.mathopenref.com/diameter.html

Definition and properties of the diameter of a circle. ... Use the calculator on the right to calculate the properties of a circle. Enter any single value and the other ...

circumference calculator - Mathematics - About.com

math.about.com/library/blcirclecalculator.htm

Online area calculator. How to calculate the area of a circle, circumference of a circle, diameter of a circle, online circle calculator.

How Do You Find the Diameter of a Circle if You Know its Radius ...

www.virtualnerd.com/geometry/circles/tangent-lines/example-circle-radius-diameter

Note: When you know the radius of a circle, you can find the diameter of that circle with a simple multiplication problem! Follow along with this tutorial to learn  ...

Diameter Calculator - CSGNetwork.Com

www.csgnetwork.com/picalc2.html

This calculator requires the use of Javascript enabled and capable browsers. PI is approximately 3.14, by definition, the number of times that a circle's diameter ...

Calculate the radius, diameter, circumference, area & volume of a ...

www.rkm.com.au/CALCULATORS/CALCULATOR-circle-sphere.html

Calculate the volume, surface area, circumference, diameter and radius of a sphere from any starting point ... Calculate area, circumference and radius of a circle.

Answer
If you know the radius, then the diameter is 2R. If you know circumference, then the diameter is C/(pi). If you know the area, then the diameter is the square root of 4A/(pi).
R is the radius of a circle, C is the circumference and A is the area.
More Info

Circumference Calculator - Math Goodies

www.mathgoodies.com

Our circumference calculator lets you find the circumference of a circle after you enter its radius. For in-depth instruction on the circumference of a circle, try our ...

Learn how to calculate area, diameter and circumference of Circle ...

www.easycalculation.com

Circle Image/Diagram. Circle Example: Case 1: Find the area, diameter and circumference of a circle with the given radius 3. Step 1: Find the area. Area = πr²  ...

Circle Calculator - Calculator Soup

www.calculatorsoup.com

Calculate the area, circumference and radius of circles. Given any 1 known variable of a circle, ... Circle Formulas in terms of Pi π, radius r, and diameter d ...