Hello, hana_102!
We just have to baby-talk our way through it . . .
A piece of wire which is 18 meters long is cut into two parts.
The first part is bent to form the four sides of a square.
The second part is bent to form the fours sides of a rectangle.
The breadth of the rectangle is one meter. And its length is x meters.
Show that the total area of the square and rectangle is:
. . Code:
x
* - - - - - *
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1 | | 1
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* - - - - - *
x
The rectangle has an area of: .
The rectangle has a perimeter of meters.
This leaves: . meters for the square.
The side of the square is: . meters.
The area of the square is: .
Therefore, the total area is: .