最終更新日：2025/12/07
When I drew the midpoints of each side of a random quadrilateral and connected them, Varignon's theorem guaranteed that the resulting figure was a parallelogram.
正解を見る
When I drew the midpoints of each side of a random quadrilateral and connected them, Varignon's theorem guaranteed that the resulting figure was a parallelogram.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
