This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
Approximating Area of a Circle
As you move the slider, n, the number of sides of the polygon changes. Then you can compare the area of the circle to the area of the polygon. The difference between the areas is shown.