There is a pile of conical sand in the cement plant. The perimeter of the bottom is 62.8 meters, the height is 5 meters, and the weight is 1.5 tons

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• 1. There is a pile of conical sand in the cement plant. The perimeter of the bottom is 62.8 meters and the height is 4 meters. The weight of each cubic meter of sand is 1.5 tons. How many tons does this ton of sand weigh
• 2. There is a pile of cone-shaped sand in the cement plant. The perimeter of the bottom is 62.8, and the weight of each cubic meter of sand is 1.5 tons··· There is a pile of conical sand in the cement plant. The perimeter of the bottom surface is 62.8, and the weight of each cubic meter of sand is 1.5 tons. How many times will it take to transport it away with one or two 8-ton trucks?
• 3. 1. A cone-shaped sand pile has a circumference of 25.12 meters at the bottom and a height of 2 meters. Each cubic meter of sand weighs 1.5 tons. How many tons does this pile of sand weigh?
• 4. A cone-shaped sand pile is 15.7 meters in circumference at the bottom and 2.4 meters in height. If the sand weight per cubic meter is 1.5 tons, how many tons more is the sand weight
• 5. The bottom circumference is 21.98 meters, and the height is 1.8 meters. If each cubic meter of sand weighs 1.5 tons, the pile of sand will be broken
• 6. There is a pile of conical sand in the cement plant. The perimeter of the bottom is 62.8 meters and the height is 50 decimeters. The weight of each cubic meter of sand is 1.5 tons. How many tons is the mass of this pile of sand? Use the formula to solve the problem Pay attention to the unit
• 7. There is a pile of conical sand in the cement plant. The perimeter of the bottom is 62.8 meters and the height is 4 meters. The weight of each cubic meter of sand is 1.5 tons. How many tons does this ton of sand weigh
• 8. If each cubic meter of sand weighs 2 tons, use an 8-ton truck to transport the sand, How many times can it be delivered? Don't be too complicated. The answer is tonight
• 9. There is a cone-shaped gravel pile, the perimeter of the bottom is 12.56, and the height is 0.6. If each cubic stone weighs 2 tons, how many tons does the pile weigh? It's a formula. It's a speed!
• 10. A pile of stones, carried away 3 / 4 tons, 8 / 5 more than the rest, how many tons of stones?
• 11. There is a pile of conical sand in the cement plant. The perimeter of the bottom is 62.8 meters and the height is 5 meters. Each cubic meter of sand weighs 1.5 tons. How many tons is the mass of this pile of sand?
• 12. One cubic meter of C35 concrete mix proportion is cement 315 sand 654 stone 1193, a total of 12 cubic meters of concrete. How many tons of cement? How many cubic meters of stone and sand?
• 13. How much sand, cement and stones does it take to make a cement floor 12-14 cm thick and 112 square meters in area,
• 14. In our village, the road surface should be hardened, 1400 meters long, 4 meters wide and 18 cm thick. How much cement, sand and stones do C30 and C25 need? What is the budget contract
• 15. The carriage of a truck is 4m long, 2.5m wide and 0.5m high. Its load is 5T Please judge by calculation whether the car can be filled with bricks with the motion density of 1.5x10 cubic km / M & # 179?
• 16. A cone-shaped sand pile has a perimeter of 25.12m at the bottom and 1.49t/m3 of sand. How many times can a 5-ton truck be used to transport it
• 17. A cone-shaped yellow sand pile with a bottom circumference of 25.12m is known to weigh 1.49 tons per cubic meter. If it is transported by a truck with a load of 5 tons, How many times can it be delivered?
• 18. The volume of a cone-shaped sand pile is 50 cubic meters and the height is 6 meters. What is the floor area of this sand pile?
• 19. A conical sand pile is 1.5 meters high and 25 cubic meters in volume. How many square meters does the sand pile cover?
• 20. There is an approximate conical sand pile with a weight of 3.6 tons and 2 meters. If the volume of each ton of sand is 0.6 cubic meters, what is the bottom area of this pile of sand?