![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
The side length is 100 meters square, its area () square meter, namely () hectare
RELATED INFORMATIONS
- 1. What is the area of a 100 meter square______ The area of a square with a side length of 1000 meters is______ ．
- 2. A square nursery covering an area of 1 hectare will be lengthened by 100 meters on each side, and the nursery area will be increased______ Hectare
- 3. If the ratio of the right side to the hypotenuse of a right triangle is 2:3 and the length of the hypotenuse is 20, the area of the triangle can be obtained
- 4. If the height of the hypotenuse of a right triangle divides the hypotenuse into two parts with lengths of 4 and 9, what is the area of the right triangle? A.38B.39C.40D.41
- 5. How to prove that the sum of the reciprocal of the squares of the two right sides of a right triangle is equal to the reciprocal of the high square on the bottom side
- 6. Given that the sum of the three sides of a right triangle is a + B + C = 2 and C is the hypotenuse, the maximum area of a right triangle can be obtained
- 7. The difference between two right sides of a right triangle is 7cm, and the area is 30cm 2
- 8. The difference between two right sides of a right triangle is 7cm, and the area is 30cm 2
- 9. The length of the three sides of a right triangle is 3, 4 and 5 cm respectively. The height of the hypotenuse of the triangle is () cm
- 10. For a triangle ABC, the height AE on the bottom edge BC is 3.2 cm long. Now the bottom edge is increased by 20 cm. How many square centimeters does the area increase?
- 11. A square nursery covers an area of 1 hectare. If the side length of the nursery is increased by 100 meters, how many hectares will the nursery area be increased?
- 12. The school has a rectangular flower bed, 8 meters long. When the campus is built, the length of the flower bed is reduced by 3 meters, so the area of the flower bed is reduced by 18 square meters
- 13. In the park, there are two flower beds with equal perimeter. The rectangular one is 40 meters long and 20 meters wide. How about the area of the other square one?
- 14. A square flower bed, side length is 15 meters, how many meters is its perimeter
- 15. The perimeter of a rectangular piece of land is 80 meters, and the ratio of its length and width is 3:2. How many square meters is the area of this rectangular piece of land?
- 16. Hope primary school has a rectangular flower bed. When it was built, the length and width of the flower bed were increased by 3 meters, and the area of the flower bed was increased by 60 square meters______ Rice
- 17. The bottom of a trapezoid is 18 cm. If the bottom is shortened by 8 cm, it will become a parallel 4 deformation and the area will be reduced by 28 square cm. The original area is? Formula to explain the reason. Thank you! Why use 28 / (8 / 2) what does 8 / 2 mean? Thank you for being clear
- 18. A rectangle 15 cm long and 9 cm wide is reduced by 1:3, and the area of the figure is______ Square centimeter
- 19. The area of a triangle is 16 square centimeters. Its height is increased by three times, and its bottom remains unchanged. Its area becomes () square centimeters
- 20. The area of a triangle is 60 square centimeters less than that of a parallelogram of equal height and equal ground. What is the area of this triangle?