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 arch is seldom seen; the equilateral arch is generally,though not always, used... 
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」
...It is distinguished by itsforming an equilateral triangle with α and γ, stars of the samemagnitude 6° south and east of it...
William Tyler Olcott 「A Field Book of the Stars」
...The six bright stars in Lyra form an equilateral triangle on onecorner of a rhomboid...
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」
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