Question

what is the perimeter of this square? image of a square with side length 8 km

Explanation:

Step1: Identify the shape and formula

The figure is a square. The formula for the perimeter of a square is \( P = 4\times s \), where \( s \) is the length of a side.

Step2: Substitute the side length

From the diagram, the side length \( s = 18\) millimeters. Substitute into the formula: \( P = 4\times18 \).

Step3: Calculate the perimeter

\( 4\times18 = 72 \).

Answer:

The perimeter of the square is 72 millimeters.