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Construct a 90° angle (right angle)
作者：
Joseph
GeoGebra
最新資源
bewijs stelling van Pythagoras
Graph Segment of f(x) = x in Polar Coordinates
רישום חופשי
Special Right Triangles 30°-60°-90° and 45°-45°-90°
Polar Coordinates Book
探索資源
Over and Back
Equilateral Triangle
Distance #2
Drawing Triangles
Visualising diagonals of a parallelogram bisect each other
探索主題
拋物線
Sequences and Series
雙曲線
參數曲線
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