This is the 5638th most frequent Korean word.
반경
"반경" means "radius."
In this sentence, '반경' refers to a geographical radius, a distance from a central point.
그 도시의 반경 10킬로미터 안에 많은 식당이 있습니다.
There are many restaurants within a 10 kilometer radius around the city.
Here, '반경' denotes a circular area around a specific point influenced by an event.
화재 발생지역의 반경 내 주민들은 대피를 명령받았습니다.
Residents within the radius of the fire area were instructed to evacuate.
In this case, '반경' is used in the context of assessing an area affected by an activity or influencing factor.