Square area 81 square meters, how much is the side length uu I know it's 9, but how to list the formula? The process of solving the problem is from grade five
Let the edge be x, then the square of X is equal to 81
A square grass, side length is 8 meters, his area and perimeter are how many
A square grass, side length is 8 meters, his area and perimeter are how many
Perimeter = 4 × 8 = 32
Area = 8 × 8 = 64
The side length of a square is 3 / 8 meters. How many meters is its perimeter and how many meters is its area
The area of a square with a side length of () meters is 1 hectare, which is () square meters?
The area of a square with a side length of () meters is 1 hectare, that is () square meters; the area of a square with a side length of () meters is 1 square kilometer, that is () square meters, so 1 square kilometer = () hectare
The area of a square with a side length of (100) meters is 1 hectare, that is, (10000) square meters; the area of a square with a side length of (1000) meters is 1 square kilometer, that is, (1000000) square meters, so 1 square kilometer = (100) hectare