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  1. Circle | The complete community platform

    From a branded website to discussions, courses, events, payments, email marketing, AI agents, and more, Circle gives you everything you need to build and scale your community-led …

  2. 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 …

  3. Circle | Open infrastructure for faster, smarter payments

    Oct 28, 2025 · Circle is building a new internet financial system, making money movement around the world as seamless as sending an email.

  4. Circle - Math is Fun

    There are two main slices of a circle. The Quadrant is a special sector with a right angle. It has a quarter of the circle's area. Half a circle is called a Semicircle.

  5. Circle formula - Math.net

    A circle is defined as the set of all points equidistant from a fixed point on a plane. There are many circle formulas, such as the area of a circle formula, circumference formula, and diameter …

  6. Circle Song - YouTube

    Composed and performed by Dave Mitchell - www.arithmecode.com - This song helps students remember circle terminology (radius & diameter) and the formulas for area and circumference. …

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

    What Is a Circle? A circle is a round-shaped figure that has no corners or edges. In geometry, a circle can be defined as a closed shape, two-dimensional shape, curved shape. A few things …

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

    Observe the following figure to see the basic parts of a circle, the center, the radius, and the diameter of a circle. There are many parts of a circle that we should know to understand its …

  9. CIRCLE | English meaning - Cambridge Dictionary

    Draw a circle 30 centimetres in circumference. Start by tracing around the base of a mug or small plate with a pencil to get a circle. They socialize with a small circle of people. She was a …

  10. Circle - Definition, Meaning & Synonyms | Vocabulary.com

    A circle is the round shape formed by all the points equidistant from a center point. This shape can be found everywhere, from the ring on your finger to the performance space in a circus …