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What are radii?

Updated: 9/13/2023
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10y ago

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Radii is the plural of the word radius.

If you have a circle, bisect it with a straight line - that is the diameter. Cut that in half - that is the radius. The radius is the distance from the center to the edge of the circle.
A radius is one half the diameter of a circle ( the straight line distance from one point of the edge of a circle to the other side, directly in the middle). The plural form of radius is radii.

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10y ago
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Q: What are radii?
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