另一个特殊定理:第1部分
几何画板及绘图内容加载中,请稍等……
所属专题
Congruence (CO) Cluster
Congruence (Vol 2)
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
Gail LeBlancCCSS High School: Geometry (Congruence) Volume 2
CCSS High School: Geometry (Congruence) Volume 2
这个范例演示了一个特殊定理的几何证明。它涉及角度、相似三角形和几何作图。通过使用GeoGebra命令如射线、点、线段、长度、垂直线、圆、交点、角平分线等,用户可以直观地理解这些概念。适合初中和高中学生学习几何和三角学。
GeoGebra 命令及参数
Ray(G, H) → pPoint(p) → ISegment(G, I) → qLength(q) → rRay(A, B) → aRay(A, C) → bOrthogonalLine(A, a) → dCircle(A, r) → eIntersect(e, d) → F_1, G_1OrthogonalLine(A, b) → gAngularBisector(C, A, B) → sIntersect(e, g, 2) → DLine(C, g) → fLine(D, b) → iIntersect(s, i) → EDistance(E, b) → distanceEbDistance(E, a) → distanceEaRay(A, E) → cOrthogonalLine(E, a) → hOrthogonalLine(E, b) → jIntersect(h, a) → FIntersect(j, b) → JSegment(E, F) → kSegment(E, J) → lAngle(E, J, A) → αAngle(A, F, E) → β
AI 绘图提示语参考
绘制一个三角形ABC,通过点A作两条射线AB和AC。以点A为圆心,线段AI的长度为半径画圆,与射线AB和AC的垂线分别交于点F和G。作角BAC的角平分线,与圆交于点D。通过点D作AC的垂线,与AB的垂线交于点E。测量点E到AB和AC的距离,以E为圆心,这两个距离为半径分别作圆,与射线AB和AC交于点F和J。连接点E、F和E、J,形成线段EF和EJ。测量角FEA和EFA的度数。
以上提示语为根据原始绘图命令整理而来,仅供参考。