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?
הפרש בין שני ריבועים
move point a to change the size of the big square.
move point b to do the same for the small square.
use the third point to see what is the difference between the two squares?
[b]מהו שטח המלבן שנוצר לנו?[/b]