If the perimeter of the base is 20cm, the volume of the cuboid can be calculated No, it's a cube. 20 / 4 = 5, 5 * 5 * 5 = 125 cubic centimeter, please come from university

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• 1. A cuboid, its bottom circumference is 20cm, its volume is () cm3
• 2. A cuboid. The bottom surface is a cuboid with a circumference of 24 cm. If you unfold the side of the cuboid to get a cuboid, what is the surface area of the cuboid
• 3. Divide a cube with an edge length of 20 cm into two identical cuboids. The surface area of each cuboid is______ ．
• 4. The perimeter of the bottom surface of a cube is 20 decimeters. What are its surface area and volume
• 5. A cube has a base perimeter of 16 decimeters, a surface area of () square decimeters, and a volume of () cubic decimeters
• 6. The perimeter of a surface of a cube is 2 decimeters. What is its volume? What is its surface area?
• 7. If the circumference of the bottom surface of a cube is 8 cm, then its surface area is () square decimeter and its volume is () cubic centimeter
• 8. How many pieces of such rectangular paper are needed for a square 20cm long and 12cm wide? What is the circumference of the square How to write in formula
• 9. A cylindrical cylinder full of water with a diameter of 20cm at the bottom. Five rigid cones with a circumference of 25.12cm and a height of 12cm on the ground were taken out from the cylinder. How much did the water surface drop Formula, result,
• 10. For a cuboid, the surface area is 368 square centimeters, the bottom area is 40 square centimeters, and the perimeter of the bottom surface is 36 centimeters
• 11. The sum of the edges of a cuboid is 80cm, and its bottom is a square with a circumference of 20cm. The volume of the cuboid is
• 12. The circumference of a rectangle is 26cm. If the length of the rectangle is reduced by 1cm and the width is increased by 2cm, it will become a square. If the length of the rectangle is xcm, the equation () A. x-1=（26-x）+2B. x-1=（13-x）+2C. x+1=（26-x）-2D. x+1=（13-x）-2
• 13. The circumference of a rectangle is 26cm. If the length of the rectangle is reduced by 1cm and the width is increased by 2cm, it will become a square. If the length of the rectangle is xcm, the equation () A. x-1=（26-x）+2B. x-1=（13-x）+2C. x+1=（26-x）-2D. x+1=（13-x）-2
• 14. The circumference of a rectangle is 26cm. If the length of the rectangle is reduced by 1cm and the width is increased by 2cm, it will become a square. If the length of the rectangle is xcm, the equation () A. x-1=（26-x）+2B. x-1=（13-x）+2C. x+1=（26-x）-2D. x+1=（13-x）-2
• 15. The perimeter of a rectangle is 20cm. The ratio of length to width is 4:1. What is the area of the rectangle?
• 16. The perimeter of a rectangle is 118cm, and its length is 20cm more than its width?
• 17. It is known that the circumference of a rectangle is 20cm and the length is 2cm more than the width. If the length of a rectangle is xcm and the width is YCM, the equations listed are as follows You have to have a system of equations,
• 18. If the circumference of a rectangle is 12cm and the length is twice the width, what is its area?
• 19. The circumference of the rectangle is 12cm, and the length is twice the width. If the width is xcm, the equation about X can be listed as follows:
• 20. The perimeter of a rectangle is between 40 cm and 50 cm. If the ratio of its length to width is 5:7, what is the perimeter of the rectangle? What is the area