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Midline Surprise
Autor:
Ted Courant
Two 45º-45º-90º triangles are placed side-to-side, as shown, and midpoints of the indicated segments are joined.
GeoGebra
Prove that the resulting quadrilateral is a square.
Nuevos recursos
History of Maths - Work in progress
Bottema's Theorem
Pelecoid
Play C3 E3 G3 C4_C4
Angles and Intersecting Lines: Quick Investigation
Descubrir recursos
image02
The Standard Model
Median 4
สมการเชิงเส้น
Proof Without Words
Descubre temas
Gráfico de Barras
Congruencia
Homotecia
Lógica
Romboide