Cut the largest square from a rectangle 10 cm long, and the perimeter of the remaining figure is () cm
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The perimeter of a rectangle and a square refers to (). According to the answer, you think the perimeter of a closed figure refers to ()
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The perimeter of a rectangle and a square is the sum of the lengths of the four sides,
The perimeter of a closed figure refers to (the sum of the lengths of all line segments enclosing the closed figure)
RELATED INFORMATIONS
- 1. Remove the largest square from a rectangle with a circumference of 40 cm, and the circumference of the remaining figure is 24 cm
- 2. Two identical rectangles, 9 cm in length and 6 cm in width, are stacked together. What is the circumference of the figure?
- 3. The nine small squares with the side length of 2 cm are arranged into a big square. The perimeter of the big square is () A. 24 cm B. 36 cm C. 38 cm
- 4. In the middle of a 55 meter long and 45 meter wide rectangular green space, two vertical paths of the same width will be built. The remaining area that can be used for greening is 2000 thousand square meters Find the width of the path It's 2000 square meters
- 5. A 55 meter long and 45 meter wide rectangular green space is built with two mutually vertical paths of the same width in the middle, and the rest can be used for greening, with an area of 2000 square meters
- 6. There is a rectangular grassland in a residential area (as shown in the figure), 18 meters long and 10 meters wide, with two even paths in the middle. The actual area of grassland is calculated
- 7. There is a rectangular lawn, which is 15 meters long and 9 meters wide. There is a 2 meter wide path in the middle. How about the area of the lawn?
- 8. As shown in the figure, a rectangular lawn is 20 meters long and 14 meters wide, with a zigzag path 2 meters wide in the middle
- 9. If a 1m wide straight path is built on a lawn with length of AM and width of BM, the area of the remaining lawn can be expressed as______ M2; now in order to increase the aesthetic feeling, the path is changed into a curved path with a width of 1m (as shown in the figure), and the remaining lawn area is______ m2.
- 10. As shown in the picture, on a rectangular grassland 80 meters long and 40 meters wide, there is a curved stone path to calculate the area of grassland (the horizontal width of the path is 1 meter anywhere)
- 11. There are two identical rectangular pieces of paper, 8 cm in length and 3 cm in width. If you stack them together as shown in the figure, what is the perimeter of the figure
- 12. As shown in the picture, in a piece of square paper with a side length of 10 cm, cut out a square with a length of 6 cm and a width of 4 cm. What is the area of the remaining part? What's the perimeter of the rest?
- 13. On the four corners of a square with a side length of 8 decimeters, subtract a square with a side length of 2 cm to find the perimeter of the remaining figure
- 14. The length of a rectangle is 10 cm and the width is 8 cm. If you subtract the circumference of a square with a side length of 1 cm from each side of the rectangle, the circumference of the remaining figure will be reduced Which option is 8 cm less, 8 cm more, 4 cm more Explanation
- 15. There is a rectangle, which is 2cm wide and 3cm long, and its area is 120cm square. Q: what's the area of the original rectangle? Fast Give me the formula
- 16. There is a rectangular cardboard, which is 34 decimeters long and 18 decimeters wide. If the length and width are reduced by 10 decimeters and 3 decimeters respectively, how many square decimeters will the area be reduced
- 17. If the length of a rectangle is increased by 2 meters, the area will increase by 10 square meters. If the width is increased by 3 meters, the area will increase by 18 square meters. How many square meters is the original area of the rectangle?
- 18. Draw a rectangle, the area is 24 square centimeters, the ratio of length and width is 3:2 The answer, I know, is 6cm in length and 4cm in width, but how is it calculated?
- 19. How many biggest circles can be cut out on a rectangular paperboard 20 cm long and 2 cm wide? What is the area of each circle? What's the area of the rest?
- 20. When the length of a rectangle is reduced by 3cm and the width is increased by 2cm, it becomes a square, and the areas of the two graphs are equal. The length and width of the rectangle are ()(