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직육면체의 대각선의 길이
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C. EFG 에서 빗변 EG 의 길이는. CEG 는 직각삼각형이므로. D. A. B. H. G. E. F. 직육면체의 대각선의 길이. 대각선의 길이를. 정육면체의 대각선의 길이. O. 10. D. C. 10. H. A. B. 10. 따라서 ,. 정사각뿔의 높이. 선분 AC 는 정삼각형의 대각선이므로. 또한 삼각형 OAH 는 직각삼각형이다. O. 6. 점 H 는 정 ABC 의 무게중심. A. C. H. M. OHC 는 직각삼각형이다. B.
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직육면체의 대각선의 길이
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