Question

area is the amount of space inside a two - dimensional figure. one way you can find the area of a rectangle is by covering it with unit squares. a unit square has an area of 1 square unit. which expression represents the area of this square? 2 + 4, 2·4, 4 + 4, 4·4 (with an image of a square grid and a small square labeled as 1 square unit)

Explanation:

Step1: Determine the side length of the square

Looking at the grid, the square has 4 unit squares along each side. So the side length \( s = 4 \).

Step2: Recall the formula for the area of a square

The formula for the area \( A \) of a square is \( A = s \times s \), where \( s \) is the side length.

Step3: Substitute the side length into the formula

Substituting \( s = 4 \) into the formula, we get \( A = 4 \times 4 \), which is the expression \( 4 \cdot 4 \).

Answer:

\( 4 \cdot 4 \) (the last option among \( 2 + 4 \), \( 2 \cdot 4 \), \( 4 + 4 \), \( 4 \cdot 4 \))