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GeoGebra
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Outline
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
Author:
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
Next
Angle in the same segment
New Resources
直角坐標平面上的旋轉變換
Fibonacci Clock
兩組對邊相等和有直角的四邊形
拼砌四邊形
畫出對稱圖形
Discover Resources
利用按鈕控制動畫On/Off
外公切線段長求法
等截距和直線包絡拋物線
數學素養試題
繪畫長方形
Discover Topics
Linear Functions
Continuity
Boxplot
Mode
Translation
