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直角三角形の対辺または隣接辺を素早く見つける方法。
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幾何学におけるSohCahToa三角法を使った辺の長さの計算
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三角形の辺を求める
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area of different 📐 triangles , equivalent triangle, Right angle triangle, scales triangle
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分度器を使って正三角形を描く
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