The number of inches in the primeter of a square region with side of s inches
边长为 s inches 的正方形周长 = 4s inches
The number of inches in the area of a square region with side of s inches
边长为 s inches 的正方形面积 = s^2 inches^2
The number of inches in the primeter of a square region with side of s inches
边长为 s inches 的正方形周长 = 4s inches
The number of inches in the area of a square region with side of s inches
边长为 s inches 的正方形面积 = s^2 inches^2