Which square has a side length closest to 12 centimeters?

A. A square with an area of 160 cm^2
B. A square with an area of 48 cm^2
C. A square with an area of 150 cm^2
D. A square with an area of 3 cm^2

C. A square with an area of 150 cm^2

To find the side length of a square with a given area, you would take the square root of the area.

√150 ≈ 12.2 cm

Therefore, the square with an area of 150 cm^2 has a side length closest to 12 cm.