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Смежные углы
Author:
Ekaterina Doluca
,
liudmyla svirina
Двигая точку С, посмотрите зависит ли сумма углов АОС и СОВ от положения луча ОС.
GeoGebra
Чему равна сумма углов АОС и СОВ?
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Odd or Even
Rose Curve - A Classical Construction
van Aubel's Theorem
Angles and Intersecting Lines: Quick Investigation
Napoleon's Theorem
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Area of a Sector
FehlerInvert
Parallel Lines Prodject
MOM-Transformation2002
Scavenger Hunt Unit 1