SOLUTION: A rectangle of dimensions 8 cm*6 cm has a border of width 1.5 cm all around it.find the area of the bigger rectangle and hence the area of the border alone.

Question 998774: A rectangle of dimensions 8 cm*6 cm has a border of width 1.5 cm all around it.find the area of the bigger rectangle and hence the area of the border alone.
Answer by josgarithmetic(39625) (Show Source): You can put this solution on YOUR website!
Rectangle area, ;
Including the border, total area, .

The difference is the border area alone.
This is why those two number expressions were not computed:

----presence of additive inverse

------area of the border

You can go back and compute the total border plus rectangle area.
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