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GeoGebra
GeoGebra Lesson
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Elliptical Ceiling Reflecting Sound
Author:
Mr_Lanning
Elliptical ceilings reflect sounds from one focus to the other focus.
GeoGebra
Drag the Speaker around to see where the sound reflects.
New Resources
Right Triangle Inscribed in a Semicircle
Graphing Basic and Compound Inequalities
Perpendicular Lines: Quick Exploration
Linear Combination of Vectors
Rovnoběžnost rovin
Discover Resources
Bezier curve
Investigating Logarithmic graphs
Chapter 5 Activity 4
Graph Transformations
kocka, téglatest palástja
Discover Topics
Rational Numbers
Linear Regression
Numbers
Vectors 3D (Three-Dimensional)
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