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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
רישום חופשי
Building Figures with Set Areas
အခြေခံ data အခေါ်အဝေါ်များ
Building Parallelograms with Set Areas
Regular Polygons and Equivalent Triangles
Discover Resources
Presson Thru TNReady
Activity 8.1
Was Pythagoras wrong? - related heresies
Teorema de Thales MELO
Parallelogram ABCD (Part I)
Discover Topics
Prism
Piecewise Functions
Trigonometry
Exponent
Translation