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?
Section 5.1-Areas
Some areas could be sliced vertically (which is what we have been doing) and integrated in x. Others would be better if sliced horizontally and integrating in y. Looking at some triangles we can compare the two types of slicing.