Jisho

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はんけい 半径
Common word JLPT N2 Wanikani level 31 Play audio Links
Noun
1. radius​
Wikipedia definition
2. Radius​In classical geometry, a radius of a circle or sphere is any line segment from its center to its perimeter. By extension, the radius of a circle or sphere is the length of any such segment, which is half the diameter. If the object does not have an obvious center, the term may refer to its circumradius, the radius of its circumscribed circle or circumscribed sphere.
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Read “半径” on Japanese Wikipedia
Read “Radius” on DBpedia
Jreibun
    警察は、火災が起きた化学薬品工場から
  • はんけい半径
  • いち1キロメートル
  • いない以内
    • を
  • たちいりきんし立ち入り禁止
    • とした。
Police prohibited the entrance into the area within a one-kilometer radius from the chemical plant where the fire broke out.

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