Annulus approximations

Autor: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?

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Rolling a Square
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quadcircles3
القاطع والمماس وقياس الزوايا
activity 1
MATH FINAL
Phantom Graph of (x^2+1)^2
ABDE is een koordenvierhoek

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