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Elliptical Ceiling Reflecting Sound
Author:
andy1987
Elliptical ceilings reflect sounds from one focus to the other focus.
GeoGebra
Drag the Speaker around to see where the sound reflects.
New Resources
Untitled
အခြေခံ data အခေါ်အဝေါ်များ
函數的單調性
Average Value
Select an object for a time to start a command. Light
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