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GeoGebra
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綱要
S5 geometry
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
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
撒针估算面积实验
圓的基本性質
圓的切線方程
直線的斜率：水平變化 & 鉛垂變化
第八周作业1
探索資源
錯覺藝術
餘弦定理
speed
Hamid Naderi Yeganeh segment1
五組搶答
探索主題
導數
除法
面積
外接圓
角錐
