GeoGebra
建立課程
GeoGebra
S5 geometry
S5 geometry
作者：
wong kwok
Angle in the same segment
Angle at centre is twice the angle at the circumference v2
Angle in the semi circle
Perpendicular bisector of a chord passes through the centre.
Equal chords are equidistant from the centre of the circle
Congruent Chords and their Central Angles
Ang in the opps segment.
Exterior angle of a cyclic quadrilateral
Converse of angle in alternate segment
Angle between tangents from external point
下一步
Angle in the same segment
最新資源
長方形的周界與長和闊的關係 (學生版)
正方形折纸减去两角
勒洛四面体（参数曲面法）
砌長方形找因數
小正方体堆积的三视图
探索資源
淨敗場數機率棋盤圖
圓內兩半圓相切問題
Angle between line & plane
F2_Ch11.1_三角學(對鄰斜)
江苏省职校数学网络资源
探索主題
正方形
算術運算
幾何變換
特殊點
旋轉
