What's the area of a square picture with 16-inch sides?

Solution: 

Area of a square is the amount of surface covered by a square and is calculated from the side of the square.

Area of a square = Side²

Side = 16 inches (given)

Area of a square = 16 × 16 

= 256 square inches

Hence, the area of a square picture with 16 inches is equal to 256 square inches.

What's the area of a square picture with 16-inch sides?

Summary:

The area of a square picture with 16 inches is equal to 256 square inches.