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정의 4
Author:
WoonGu, Hwang
정의 4
‘직선(straight line)’
은 점들이 쭉 곧게 놓여 있는 선이다.
부연설명
직선은 ‘선에서 임의의 두 점이 균등하게(고르게) 연결한 선분’일 때를 말한다. 지금은 직선을 선분, 반직선, 직선으로 구분을 하고 있다.
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