Math Spiral 24: Math Practice Standard 3

Constructing viable arguments and critiquing the reasoning of others is a vital math skill to master. Olaf argues that the only way to find the perimeter of number 3 in the geometry section is to use the expression x squared or x times x. Do you agree with the algebraic expression he is utilizing to decipher the perimeter? Please provide a topic sentence with an ample amount of details to back up your positions of whether you agree with Olaf or not.