Desmos

Geogebra 3-D Graphing

Volume by Cross Sections links

https://www.geogebra.org/m/Nkw6hTeE - cross sections change

https://www.geogebra.org/m/nKbHnter - functions change

Surface of 3-D Shapes

Directions:

• In Geogebra 3-D graphing, enter function "f(x)=..."
• g(x)=function(f, lower bound, upper bound)
• n (create slider, 0 to 2Pi, step: 0.01)
• surface(g, n, axis of revolution)