例文・使い方で印象づける「equilateral」の覚え方
スポンサーリンク...The lancet, the equilateral, and the obtuse-angled arch... 
Matthew Holbeche Bloxam 「The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.」
...Capella forms a rude square with Polaris, ε Cassiopeiæ, and ο UrsæMajoris, and forms an equilateral triangle with Betelgeuze in Orion,and the Pleiades in Taurus...
William Tyler Olcott 「A Field Book of the Stars」
...Procyon is equidistant from Betelgeuze in Orion, and Sirius in CanisMajor, and forms with them an equilateral triangle...
William Tyler Olcott 「A Field Book of the Stars」
...α forms an equilateral triangle with Polaris and ε Cassiopeiæ...
William Tyler Olcott 「A Field Book of the Stars」
...It is the samedistance northwest of Spica, in Virgo, and forms with Spica andArcturus a large equilateral triangle...
William Tyler Olcott 「A Field Book of the Stars」
...Thestar is easily identified, since it lies to the left of Vega, formingwith ζ a small equilateral triangle...
Richard A. Proctor 「Half-hours with the Telescope」
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