A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
Answer: 10 cm
If the perimeter of a square is 40 cm, what is the length of one side?
Additional Information: The perimeter of a square is calculated by the formula P = 4 × side. If P = 40 cm, then side = 40 cm / 4 = 10 cm.
Subjects: Mathematics