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GeoGebra Lesson
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GeoGebra
GeoGebra Lesson
GeoGebra
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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
Midpoint Theorem (V2): Integer Solutions
Squaring a Rectangle (PST Version)
Isosceles Right Triangle
Marion's Theorem
Deriving the Sector Area Formula
Discover Resources
Indestructibe Quadrilaterals - Shape 5
Tessellation
Parabola as an envelope of straight lines
teykt
Transformations
Discover Topics
Sphere
Incircle or Inscribed Circle
Normal Distribution
Standard Deviation
Cylinder