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4.1 - Balloon Example
Author:
Ross Moyer
GeoGebra
Air is being pumped into a spherical balloon so that its volume increases at a rate of 100 cubic centimeters/second. How fast is the radius of the balloon increasing when the diameter is 50 cm?
New Resources
van Aubel's Theorem
Piano. Keyboard.
"Compressed" Astroid as Envelope
Introduction
Pelecoid
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The area of a regular Dodecagon - Kürschák's Tile
Perpendicular Bisectors of a Triangle
CMP 3 3.1
Centroid
Circumcenter
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Trigonometric Functions
Cone
Reflection
Quadratic Functions
Logic