三角形的中位线 by Tim Brzezinski
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
Triangle Theorems
本范例演示了三角形中位线的概念,即连接三角形两边中点的线段。核心数学概念包括三角形的中点和中位线。通过使用GeoGebra命令如Segment、Midpoint、Slope等,可以直观地展示中位线的性质。适合初中及以上学生学习几何作图。
GeoGebra 命令及参数
Segment(A, B) → aSegment(B, C) → bSegment(C, A) → cMidpoint(c) → DMidpoint(b) → ESegment(A, D) → dSegment(D, C) → eSegment(C, E) → fSegment(E, B) → gSegment(D, E) → MidsegmentSlope(Midsegment) → hSlope(a) → iLength(Midsegment) → jLength(a) → kFractionText(h) → text4Segment(A_1, B_1) → a_1Segment(B_1, C_1) → b_1Segment(C_1, A_1) → c_1Midpoint(c_1) → D_1Midpoint(b_1) → E_1Segment(A_1, D_1) → d_1Segment(D_1, C_1) → e_1Segment(C_1, E_1) → f_1Segment(E_1, B_1) → g_1Segment(D_1, E_1) → Midsegment_1Slope(Midsegment_1) → h_1Length(Midsegment_1) → j_1FractionText(h_1) → text4_1Slope(a) → lFractionText(Slope[Midsegment]) → text5FractionText(Slope[a]) → text6
AI 绘图提示语参考
绘制一个三角形ABC,连接AB、BC、CA的中点D和E,形成中位线DE。接着绘制另一个三角形A1B1C1,连接A1B1、B1C1、C1A1的中点D1和E1,形成中位线D1E1。观察并比较DE和D1E1的斜率和长度。
以上提示语为根据原始绘图命令整理而来,仅供参考。