Question

A city is adding a brick border around the community garden. The garden has the dimensions of x ft by x ft. The dimension of the brick border are x + 12 ft by x + 12 ft. What is the area of the brick border

Answer 1

The area of the brick border is
`(24x+144)\ ft^(2)`

Explanation:

we know that

The area of the brick border is equal to

`A=(x+12)(x+12)-(x)(x)\\ \\A=(x+12)^(2) -x^(2)\\ \\A=x^(2)+24x+144-x^(2)\\ \\A=(24x+144)\ ft^(2)`