タグ

ユークリッド空間

2 件の記事

Illustration of a Cartesian coordinate plane. Four points are marked and labeled with their coordinates: (2, 3) in green, (−3, 1) in red, (−1.5, −2.5) in blue, and the origin (0, 0) in purple.

直交座標系(デカルト座標系)の基礎から応用まで

直交座標系デカルト座標解析幾何学x軸
If a region is not convex, a "dent" in its boundary can be "flipped" to increase the area of the region while keeping the perimeter unchanged.

等周不等式図形の周長と面積の数学的関係

等周不等式幾何学周長面積