obtuse-angled triangles
plural of obtuse-angled triangle
plural of infoline
(mining, dated) Small particles of ore.
A suburb of Helensburgh, Argyll and Bute council area, Scotland (OS grid ref NS3181).
幾何学の授業で、私たちはいくつかの鈍角三角形を調べてその面積を計算しました。
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