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Theorem 09 - Opposite Sides and Angles in a Parallelogram
作者:
SeamusMcCabe
主题:
角
,
平行四边形
This shows that the opposite sides of a parallelogram are always equal in length and the opposite angles are also equal.
GeoGebra
新资源
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bewijs stelling van Pythagoras
Weighing Scales (g): Practice
Weighing Scales (kg & g)
Weighing Scales (g)
发现资源
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Animated Tangent Line
topik 2
Translation and Translation
发现主题
直角三角形
旋转
圆柱
外接圆
几何分布