Chapter A.2, Problem 47AYU

To determine

To find: The area of the border.

Answer to Problem 47AYU

$64 {\text{ft}}^2$

Explanation of Solution

Given:

In the figure shown, $ABCD$ is a square, with each side of length 6 feet. The width of the border (shaded portion) between the outer square $EFGH$ and $ABCD$ is 2 feet.

Formula Used:

Area of the square $=a^2$.

Calculation:

Given border is square with sides $=6+2\text{ ft = }8\text{ ft}$.

Area of the square $=a^2=8^2=64 {\text{ft}}^2$.