This is Carlos. Carlos is going to show us how dimensions change.

When you double the dimensions, you have a Scale Factor of 2. The new perimeter of Carlos is 2 times larger than the orginal Carlos. The area of Carlos becomes 4 times larger. When Carlos triples, the Scale Factor becomes 3. Your new area and perimeter are now found with a scale factor of 3 because you are tripling the dimensions.  The new perimeter of Carlos is now 3 times larger than the orginal Carlos. The area of Carlos becomes 9 times larger than the original figure.