關於「Distance formula ratio」標籤，搜尋引擎有相關的訊息討論：

Cartesian Coordinate System - Cuemathwww.cuemath.com › geometry › cartesian-coordinate-syst...Distance Formula and Derivation in Coordinate Geometry - BYJU'Sbyjus.com › Maths › Math ArticleAngle of Depression - Definition, Formula & Problems - BYJU'Sbyjus.com › Maths › Math