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radius

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(ra-di-us) 3 syllables
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Definition

noun. a straight line from the center to the edge of a circle.

Example Sentence

The radius of a circle is half the diameter.

More Example Sentences

A radius can help find the circle's area.

Synonyms

line; distance; span

Antonyms

perimeter

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radius
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Rhymes

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radius

[RAY-dee-us]

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