If a square has an area of 64 square units, each side is 8 units:
√64 = 8
8 × 8 = 64
A square root reverses squaring, connecting the area of a square to its side length.
What is √121?

If a square has an area of 64 square units, each side is 8 units:
√64 = 8
8 × 8 = 64
A square root reverses squaring, connecting the area of a square to its side length.
What is √121?