垂线简介

几何画板及绘图内容加载中，请稍等……

2017-01-05 04:52

角解析几何几何作图

所属专题 Congruence (CO) Cluster Congruence (Vol 1) Congruence (Vol 1) Over 80 Resources Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 S N ATTAR CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 CCSS High School: Geometry (Congruence) Volume 1 Congruence: Volume 1 - Chapter 1 Congruence V1C1 Check Exploring Perpendicular Lines in the Coordinate Plane

①本范例演示了如何绘制两条互相垂直的直线；②涉及的核心数学概念包括垂线定义、直角、解析几何；③作图要点：使用Line命令绘制直线，OrthogonalLine命令生成垂线，Intersect命令求交点，Angle命令测量角度；④适合初中及以上学生学习几何作图和直线性质。

GeoGebra 命令及参数

画两条垂直的直线。首先，画一条直线AB。然后，以点C为起点，画一条与直线AB垂直的直线。接着，找出这两条直线的交点D。最后，测量角CDA的大小。

以上提示语为根据原始绘图命令整理而来，仅供参考。