유클리드 기본모음 제안 46. 주어진 직선에 정사각형 작도 제안 46. 주어진 직선에 정사각형을 작도하기. Proposition 46 To describe a square on a given straight line. Let AB be the given straight line. It is required to describe a square on the straight line AB. Draw AC at right angles to the straight line AB from the point A on it. Make AD equal to AB. Draw DE through the point D parallel to AB, and draw BE through the point B parallel to AD. Then ADEB is a parallelogram.. 더보기 이전 1 2 3 4 5 6 7 ··· 50 다음
