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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 - 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.

  3. 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.

  4. 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.

  5. CIRCLE Definition & Meaning - Merriam-Webster

    The meaning of CIRCLE is ring, halo. How to use circle in a sentence.

  6. Circles in Maths - GeeksforGeeks

    Oct 21, 2025 · Radius of Circle: The Radius of the Circle is the distance between any point on the circumference of the circle and the fixed point called the center. The constant distance …

  7. Circles | Brilliant Math & Science Wiki

    3 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.