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Function: get_footer

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Function: require_once

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수학동아 2018.12.27 20:31 조회 1085
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세계 곳곳에서 많은 유물이 발견된다. 유물은 오랜 시간 동안 땅 속에 묻혀 있었기 때문에 훼손된 경우가 많고, 많이 훼손된 경우 원래 모습으로 복원하기가 어렵다. 하지만 원형 유물은 다른 유물에 비해 복원이 쉽다. 이는 원의 중심과 현의 수직이등분선 사이의 관계와 관련이 있다.

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