Use a ruler, protractor and a pair of compasses to construct a triangle accurately. After the triangle has been constructed, leave the construction lines visible so each stage of the process is shown ...
Keep the construction lines when you draw them as they are evidence that you have constructed the triangle correctly.
現在アクセス不可の可能性がある結果が表示されています。
アクセス不可の結果を非表示にする