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Elliptical Ceiling Reflecting Sound
Author:
andy1987
Elliptical ceilings reflect sounds from one focus to the other focus.
Drag the Speaker around to see where the sound reflects.
New Resources
Part B: No.5 Vivi Nguyen and Phianna Chau
Anim_FET
SetPerspective Demo (switch between Graphics and Spreadsheet)
Span Practice I
Area Using Unit Squares
Discover Resources
Introduction to Angles
Points of Concurrency
Constructing a 30°- 60°- 90° triangle
parallelogram2
หมุน
Discover Topics
Triangles
Trigonometry
Geometric Mean
Logarithmic Functions
Geometry