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1. www.khanacademy.org › a › radius-diameter-circumferenceRadius, diameter, & circumference | Circles (article) | Khan...

   www.khanacademy.org › a › radius-diameter-circumference

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   Once you have the radius you times the radius by 2 and times it by pie and then you get the circumference. Here are the two different formulas for finding the circumference: C = πd

2. www.cuemath.com › geometry › radiusRadius of a Circle - Formula | What is Radius? | Radius Formula -...

   www.cuemath.com › geometry › radius

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   The radius of a circle is defined as a line segment that joins the center to the boundary of a circle. The distance from the center point to any endpoint on the circle is called the radius of a circle. Learn about the radius formulas with solved examples with Cuemath.

3. www.omnicalculator.com › math › radius-of-a-circleRadius of a Circle Calculator

   www.omnicalculator.com › math › radius-of-a-circle

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   5 hari yang lalu · There are three circle radius formulas, depending on what number you know: The radius of a circle from the area: if you know the area A, the radius is r = √(A / π). The radius of a circle from circumference: if you know the circumference c, the radius is r = c / (2 × π).

4. www.merriam-webster.com › dictionary › radiusRadius Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › radius

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   The meaning of RADIUS is a line segment extending from the center of a circle or sphere to the circumference or bounding surface. How to use radius in a sentence.

5. dictionary.cambridge.org › us › dictionaryRADIUS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   RADIUS meaning: 1. (the length of) a straight line joining the centre of a circle to its edge or the centre of a…. Learn more.

6. www.mathopenref.com › radiusRadius of a circle definition and calculator - Math Open...

   www.mathopenref.com › radius

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   The radius of a circle is the length of the line from the center to any point on its edge. The plural form is radii (pronounced "ray-dee-eye"). In the figure above, drag the orange dot around and see that the radius is always constant at any point on the circle.

7. dictionary.cambridge.org › dictionary › englishRADIUS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   RADIUS definition: 1. (the length of) a straight line joining the centre of a circle to its edge or the centre of a…. Learn more.