Question

find the perimeter of the square. include the unit. 18 cm

Explanation:

Step1: Recall perimeter formula

The perimeter $P$ of a square is given by $P = 4s$, where $s$ is the side - length of the square.

Step2: Substitute side - length value

Here, $s = 18$ cm. So, $P=4\times18$ cm.

Step3: Calculate the result

$4\times18 = 72$ cm.

Answer:

72 cm