How do you calculate squared?

Answer 1

take the length of the area (in ft.) and multiply it by the width (also in ft.) and add an exponent of 2 and the letters f and t to the end of the #

Answer 2

Squared simply means that number (or group of numbers) times itself (themselves). so 4 squared is 4x4 or 16. (37-30)2 = 72 = 7x7 =49