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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
RELATED INFORMATIONS
- 1. What is the side length______ It is a square land with an area of 1 hectare______ Square meters
- 2. If the area between two squares is 28 square centimeter, calculate the area of large square
- 3. The side length of the square is x meters. Reduce one side by 1.2 meters and the other side by 1.5 meters. The area of the rectangle is 14.4 square meters less than that of the square
- 4. The length of a rectangle is reduced by 3cm, and the width is increased by 2cm to get a square, and the square area is 1 square centimeter smaller than the rectangle area What are the length and width of the original rectangle?
- 5. After adding 3cm to the two adjacent sides of a square, we get a new square. The area of the new square is 39 square centimeters larger than that of the original square. What's the area of the original square?
- 6. The area of a rectangle is 66.5 square cm, and its bottom length is 2.8 square cm
- 7. If the side length of a square is increased by 3 cm, the area will be increased by 45 square cm. The original area of a square is 3 cm______ ．
- 8. Application problem: a square, its side length increases 5 decimeters, area increases 125 square decimeters, seek the area of original square?
- 9. Application: the bottom is a square cuboid, height shortened by 5 cm to become a cube, then the surface area reduced by 1.2 square decimeters, find the surface of the cube Find the surface area of cube
- 10. The side length of square a is 8 cm. The side length of square a of square B is five times that of square A. how much more area is square B than square a What's the percentage?
- 11. The bottom of a right angled trapezoid is 3.5 times of the top. If the top is extended by 11 meters and the bottom is extended by 1 meter, it becomes a square. Find its area
- 12. There are two squares, the area of the first is 81 square meters, and the side length of the second is 11 times of the first
- 13. The area of a rectangle is 2.6 square meters, and that of a square is two and twenty-five fourteenth square meters. Which figure has the largest area?
- 14. The area of a rectangle is 2.6 square meters, and the area of a square is 2.25-14 square meters. Which figure has the largest area? Everybody. Bring the above
- 15. Five pieces of the same square board, the total area is 11.25 square meters, find the length of each side of the board
- 16. As shown in the figure, there are two squares with different sizes. How many square centimeters is the area difference between the two squares without overlap? No equations, Big side length: 12 Small side length: 8
- 17. Increase one side of a square by 2cm and shorten the other side by 20% to get a rectangle, which is equal to the area of the original square. Then the area of the square is (), and the perimeter of the rectangle is () Be specific about the formula and meaning
- 18. The square lawn with a length of 40 meters on one side should be expanded to a square with an area of 2000 square meters. How much should the side length be increased (the solution of the binary linear equation is accurate to 0.1)
- 19. A piece of square lawn with a length of 10 meters, now we need to pave a one meter wide path around. What is the area of the path
- 20. There is a square lawn. As shown in the picture, a 1-meter-wide circular road is built along the lawn. The road surface area is 80 square meters. How about the lawn area?