Annulus approximations

Author:David Taub

This activity allows you to explore the accuracy of a common method for approximating the area of an annulus. Can you figure out where the method comes from? When is it a good enough approximation?

New Resources

Function art 3D - waiting shed (v2)
Parabolas, Lines and Nomograms
Congruent Figures
Pythagorean Theorem: Quick Illustrator
What Do You See? (2)

Discover Resources

Acute Angles
brendan walsh (page 25)
rotating
Derivada - Interpretación geométrica
Titik Koordinat

Discover Topics

Conic Sections
Linear Functions
Cylinder
Parallelogram
Sphere