The circumference of a rectangle is between 401cm and 50cm. The ratio of its length to width is 5:7. What is the area of the rectangle?

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• 6. The circumference of a rectangle is 18 cm, and its length and width are in whole centimetres. What is the area of the rectangle? Please write down
• 7. For a rectangle, the ratio of length to width is 14:5. If the length is reduced by 13 cm, the width is increased by 13 cm, and the area is increased by 18 square cm, the area of the original rectangle can be calculated
• 8. If the length of a rectangle is reduced by 5 cm, the area will be reduced by 40 square cm. The rest is just a square. The area of the original rectangle is 40 square cm______ Square centimeter
• 9. When the length of a rectangle is removed by 5cm, the area will be reduced by 40cm, and the remaining part is just a square. How many square centimeters is the area of the original rectangle
• 10. If the length of a rectangle is reduced by 5 cm, the area of the rectangle will be reduced by 40 square cm, and the rest is just a square, which is the same as the original rectangle
• 11. There are two rectangles of the same size, 36 cm in length and 18 cm in width. What is the circumference of a square?
• 12. There are two rectangles of the same size, 36 cm in length and 18 cm in width. (1) what is the circumference of a square? There are two rectangles of the same size, 36 cm long and 18 cm wide (1) What is the circumference of a square? (2) What is the circumference of a rectangle? (3) Is the area of the two figures equal? What is the area? How to make a formula?
• 13. The perimeter is 36cm square and rectangle, the width of the rectangle is 20% of the length, the area of the rectangle is the square area? Formula OK, add 30
• 14. The perimeter of a rectangle is 50 meters, and the ratio of length to width is 3:2. The area of the rectangle is______ Square meters
• 15. The length and width of a rectangle are prime numbers, and the perimeter is 36cm. What is the maximum area of a rectangle?
• 16. (fifth grade mathematics) the length and width of a rectangle are prime numbers, and the perimeter is 36cm. What is the largest area of a rectangle? Please explain in detail: What is prime? What is composite?
• 17. The length and width of a rectangle are prime numbers, and the perimeter is 36cm. What is the maximum area of the rectangle?
• 18. A rectangle with a circumference of 120 cm has a length to width ratio of 7:5. What's the area of the rectangle?
• 19. There is a rectangle. The ratio of length to width is 7:5. It is known that the circumference of the rectangle is 48CM. What is the area of the rectangle?
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