The difference bettween 30 and 5 would be 25
Perimeter is the boundary/outline/ surrounding
For example if you measure around your house that would be the perimeter.
Area is the size of something.
Like if you wanted to know the amount of space in a box.
If we times 0 with any number, we can get 0. Then only 8 will remain
8 is the answer.
The property shown in the following equation is 9 beacause simply we know 9=1 +8 so its easy
