- Circle formulas,
a selection of answers from the Dr. Math archives.
- Circle Formulas - Dr. Math FAQ
- From the Dr. Math Geometric Formulas FAQ: formulas for radius, diameter,
circumference, area; arc, segment, and sector of a circle.
- Circle Formulas: Area and Perimeter
- I get confused by the different formulas, such as Pi r squared or Pi d.
- Circle Area and Circumference
- Are radius and diameter the same as area and circumference?
- Finding the Area of a Circle
- The formula, and how it works.
- Finding the Circumference
- Would you be able to tell me how to work out the circumference of a circle?
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