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单词 perpendicular-sided
释义

> as lemmas

perpendicular-sided
perpendicular-sided adj. Geometry Obsolete (of a triangle) right-angled.
ΚΠ
c1865 Ld. Brougham in J. Wylde Circle of Sci. I. Introd. Disc. p. vi The third side of a perpendicular-sided triangle.
1895 Amer. Math. Monthly 2 385 Triangles, average area of all that can be drawn perpendicular-sided.
extracted from perpendicularadj.n.
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