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  1. Circle - Wikipedia

    Natural circles are common, such as the full moon or a slice of round fruit. The circle is the basis for the wheel, which, with related inventions such as gears, makes much of modern machinery …

  2. Circle Calculator

    Aug 1, 2025 · Use this circle calculator to find the area, circumference, radius or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.

  3. Circle - Math is Fun

    A circle is easy to make: Draw a curve that is radius away from a central point. And so: All points are the same distance from the center.

  4. Cricle - Cricket Score & Tournament Recording App

    Record cricket scores, manage tournaments, view live matches, and track player statistics with Cricle - your ultimate cricket companion app.

  5. Circles - Formulas, Properties | What is a Circle? | Examples

    A circle is a 2-dimensional closed shape that has a curved side whose ends meet to form a round shape. Learn about circles with concepts, properties, and examples.

  6. Circle – Definition, Parts, Properties, Formulas - Math Monks

    Aug 3, 2023 · What is a circle with diagram - find out its definition, parts, and properties along with calculation of radius, diameter, area, and circumference using formulas

  7. Circles in Maths - GeeksforGeeks

    Oct 21, 2025 · Quarter Circle: A quarter circle, also known as a quadrant, is a shape formed by dividing a circle into four equal parts. It shares many similar properties with a semicircle.

  8. What is a Circle? Definition, Formulas, Properties, Examples

    A circle is a two-dimensional closed figure that has no edges or corners. Learn the definition of circle, different parts of circle, solved examples and more.

  9. Circle Area Calculator - Free Circle Calculator | The Tutor Bridge

    Nov 29, 2025 · Circle Area Calculator Calculate the area of a circle from radius or diameter. Enter any value to find all circle properties instantly.

  10. Circles | Brilliant Math & Science Wiki

    2 days ago · A circle is a round plane figure with a boundary (called the circumference) that is equidistant from its center. It is a fundamental object studied in geometry.