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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
Graphing Parametric Equations (2)
Long Division Blank Template: Max 4 Steps
Long Division with Feedback (v2)
Long Division Blank Templates: Max 5 Steps
Discover Resources
diagonals bisect each other
angle pairs quiz
test
QuadraticB4-1: AoQ1
Lala Activity
Discover Topics
Means
Quadratic Functions
General Quadrilateral
Fractal Geometry
Geometric Distribution