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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 possible. In …

  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. CIRCLE Definition & Meaning - Merriam-Webster

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

  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 - Simple English Wikipedia, the free encyclopedia

    The circumference (meaning "all the way around") of a circle is the line that goes around the center of the circle. Mathematicians use the letter for the length of this line.

  6. Circle | Open infrastructure for faster, smarter payments

    Oct 28, 2025 · Circle (NYSE: CRCL) enables businesses to leverage digital currencies and public blockchains for payments, commerce and financial applications worldwide.

  7. 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.

  8. CIRCLE | definition in the Cambridge English Dictionary

    CIRCLE meaning: 1. a continuous curved line, the points of which are always the same distance away from a fixed…. Learn more.

  9. Circle - definition of circle by The Free Dictionary

    Define circle. circle synonyms, circle pronunciation, circle translation, English dictionary definition of circle. circle n. 1. a. A plane curve everywhere equidistant from a given fixed point, the center. b. A …

  10. Circle Calculator

    This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement.