A cuboid is 5m in length and 3M in width. The area of its largest surface is () m, the area of its smallest surface is () m, and the surface area is () M
A cuboid is 5 m long, 3 m wide and 2 m high. Its largest surface area is (15) m, the smallest surface area is (6) m and the surface area is (62) M
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- 1. A cuboid wood with a square bottom is 5 meters long. Cut it into 4 sections and increase its surface area by 36 square meters. What's the volume of this cuboid wood?
- 2. A cuboid wood with a square bottom is 5 meters long. Cut it into 4 sections and increase its surface area by 36 square meters. What's the volume of this cuboid wood?
- 3. With 50 pieces of the same square wood, pile up a cuboid 2 cm long, 1.5m wide and 1.2m high. What is the average volume of each square wood? How many cubic decimeters?
- 4. 40 pieces of the same square wood can be piled into a cuboid 30 decimeters long, 20 decimeters wide and 15 decimeters high. How many cubic decimeters is the average volume of each square wood?
- 5. Cylinder: r = 2m, H = 1.5m, calculate the surface area and volume
- 6. A cuboid fish pond is 8m long, 4.5m wide and 2m deep. What is the volume of the pond? A cuboid fish pond is 8m long, 4.5m wide and 2m deep. What is the volume of the pond?
- 7. A cuboid fish Tang is 8m long, 4.5m wide and 2m deep. What is the volume of this fish Tang
- 8. Please solve a mathematical problem: saw a 20dm long cuboid wood into three sections on average, the surface area increased by 28dm, what is the original volume of this wood?
- 9. After sawing a 20dm long cuboid into three equal sections, the surface area increases by 24 square decimeters. What is the volume of this section of wood?
- 10. A cube with a surface area of 54 square decimeters is sawn into two cuboids. The sum of the surface areas of the two cuboids is () square decimeters A. 108B. 72C. 54
- 11. The bottom of a 1.5-meter-long cuboid wood is square, and the bottom remains unchanged. After sawing the wood into two cuboids, the surface area increases by 0.18 square decimeter, which is the same as the original one What is the surface area of the wood?
- 12. The bottom of a 2.5-meter-long cuboid wood is square. After sawing the wood into two sections, the surface area increases by 0.18 square meters. The volume of the original wood can be calculated Can we not use the equation? Better not use the equation
- 13. After sawing a 1-meter-long rectangular timber into two sections, its surface area increases by 0.5 square meters. What is the volume of this timber in cubic meters? Urgent~ If you want a picture, I'll send it to you..
- 14. Sawing a 2-meter-long cuboid wood into three sections will increase its surface area by 16 square meters. How many cubic meters is the original volume of this wood?
- 15. A cuboid wood is 5 meters long. After sawing it into two sections, the surface area increases by 40 square decimeters. How many cubic meters is the original volume of this wood
- 16. Divide the 5-meter-long rope into 4 sections, and each section is the length of the rope___ Each paragraph is___ Rice
- 17. A 400 cm long cylindrical steel is cut into two sections on average, and the surface area is increased by 15.7 square centimeters. The volume of each section of steel after cutting is calculated
- 18. A cylindrical steel is 1.5m long, cut into three sections, and the surface area increases by 100.48 square centimeters. What is the volume of the original steel? What is the bottom area?
- 19. A cylindrical steel is 1.5 meters long. After it is cut into three small columns, the surface area increases by 100.48 square centimeters. What is the volume of the original steel? Use the formula to solve the problem
- 20. In order to welcome the national day, an environmental protection department of our city wants to inject the full wastewater from a rectangular waste water tank with a length of 2 × 10 ~ 3 DM, a width of 4 × 10 ~ 3 DM and a height of 8 × 10 ~ 2 DM into a cube water tank for purification, Can there be a cube storage tank to fill the waste water? If there is, find out the edge length of the cube storage tank. If not, explain the reason