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Theorem 2: Ext. angle, cyclic quad
作者:
Hlho
Instructions
Drag the points in the figure and observe the external angles.
GeoGebra
新资源
Circumference of a unit circle
Limaçons
Graph of Slopes of Tangent Lines
The Geometry of the Coefficients of a Quadratic Function
Rule of Sarrus - Determinant of a 3×3 Matrix
发现资源
円柱と立方体
triangle angle
Ratios of areas of 8-gons
Triangle in the Mirror Castillo
classification of triangles based on their angles
发现主题
圆柱
外接圆
双曲线
菱形
数列和级数