数式を使わずに対角線の平方計算を行う方法 | Construction Master 5
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小屋の床を正方形にする…長方形の対角線
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長方形の面積と周囲の長さを求める方法
Volume of Open Box Made From Rectangle with Squares Cut Out
Learn how to calculate the area of a square and rectangle. Math lesson for kids
問題解決の例: 周囲長から長方形の寸法を求める
The Corner Rectangle Math Challenge: Find the radius of the Circle
Optimization Question - Corner Cut to form a Box
正確に。3、4、5メソッド
Master Finding the Area and Perimeter of a rectangle given four points
AutoCAD 寸法付き長方形を描く
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