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Midline Surprise
Author:
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.
New Resources
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bewijs stelling van Pythagoras
Nikmati Keunggulan Di Bandar Judi Terpercaya
Luxembourg Symbol
判斷錐體
Discover Resources
Fermat´s room 3D
shift parabolas
andregrads slider
graph1
Visualisation of how 3D Sheers map to 2D Translation
Discover Topics
Expected Value
Exponent
Arithmetic Operations
Kite
Set Theory