What is 15 squared?

15 squared is equal to 225. It is the result of multiplying 15 by itself. It is also a perfect square number because it is the product of an integer multiplied by itself. The square of 15 can be represented by a square with 15 units on each side. 15 squared is commonly used in mathematics, science, and engineering calculations. It is also used in determining the area of a square with sides of 15 units.