Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
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
Golden Rectangles and Golden Spirals
Basic Percent Exercises (V2)
Experiments with Transformations in the Plane
以竹簽拼砌三角形
רישום חופשי
Discover Resources
graph 1
Hhkg 95.4
activity2c_WIlliams
Rotations about the Origin
IM G Unit 2
Discover Topics
Rational Numbers
Arithmetic Operations
Quadratic Functions
Straight Lines
Optimization Problems