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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
Dissections by Guillermo Bautista
Poorly Drawn Parallelograms
Average Rate of Change: Graph a Function (1)
alg2_05_05_01_slider_practice_flvs
Finding Average Rate of Change of a Function
Discover Resources
Juan
Polynomial picture
Line-DrishtiSrivastava-h3b9v7
y=2x+c - which way does it move
Cuboctahedron in the flower of life... 1
Discover Topics
Median Value
Centroid or Barycenter
Function Graph
Sequences and Series
Dilation