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Elliptical Ceiling Reflecting Sound
Autore:
andy1987
Elliptical ceilings reflect sounds from one focus to the other focus.
GeoGebra
Drag the Speaker around to see where the sound reflects.
Nuove risorse
Area of a Trapezoid
Area of a Circle Illustrated
အခြေခံ data အခေါ်အဝေါ်များ
bewijs stelling van Pythagoras
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