To calculate 75 squared, you multiply 75 by itself. So, 75 x 75 equals 5625. This means that 75 squared is 5625.
Squaring a number is a fundamental mathematical operation that is often used in various calculations, such as area calculations in geometry. In this case, if you imagine a square with each side measuring 75 units, the area of that square would be 5625 square units.