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The side length of a cube is the second millimeter of 10. If the side length of a square is ten times of the original, the volume of the cube is () cubic millimeter
volume
（10^3）*（10^3）*（10^3）
=10 ^ 9 cubic millimeter
Last year, Uncle Zhang used rectangular reed mats 2 meters long and 1 meter wide to form the largest cylindrical grain storage. This year, he used rectangular reed mats 3 meters long and 2 meters wide to form the largest cylindrical grain storage?
π × (32 π) 2 × 2 ^ [π × (22 π) 2 × 1] = 94 π × 2 ^ - 1 π = 92 π ^ - 1 π = 4.5 times; a: the volume of grain storage this year is 4.5 times that of last year
A rectangular wooden box, its bottom is square, 3M, volume is 2.2m & sup3;, find the side length of the bottom of the wooden box (accurate to 0.1M)
Bottom area = 2.2 △ 1.3 ≈ 1.69m
Side length = root 1.69 = 1.3m
Divide the 7m long rope into 9 sections, each section is 7m long, and each section is 7m long
The 7m long rope is divided into 9 sections, each section is 7 meters long,
7 △ 9 = 7 / 9
Each segment is 7 m (1 / 9)
1 △ 9 = 1 / 9
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After a rope is folded in half for three times, the length of each section is 9.26 meters. How many meters is the total length of this rope?
After folding a rope in half for three times, divide the rope into eight parts, so the total length is: 9.26 × 8 = 74.08 (m). A: the total length of the rope is 74.08 M
The width of a rectangle is 4 / 5m, and its length is 1 / 3M more than its width?
4 / 5 + 1 / 3 = 12 / 15 + 5 / 15 = 17 / 15m
A bathtub is a cuboid, about 1.2m in length, 0.5m in width and 0.3m in height. How much water can it hold at most?
The volume of bathtub is about: v = 1.2m × 0.5m × 0.3m = 0.18m3, ∵ ρ = MV, ∵ can hold water at most: M = ρ v = 1 × 103kg / m3 × 0.18m3 = 180kg
A bathtub is a cuboid, about 1.2m in length, 0.5m in width and 0.3m in height. How much water can it hold at most?
The volume of bathtub is about: v = 1.2m × 0.5m × 0.3m = 0.18m3, ∵ ρ = MV, ∵ can hold water at most: M = ρ v = 1 × 103kg / m3 × 0.18m3 = 180kg
A bathtub is a cuboid with the length, width and height of 1.2m, 0.5m and 0.3m respectively. How many kilograms of water can it hold at most?
This bathtub is a cuboid, its volume is 1.2x0.5x0.3 = 0.18 cubic meters
It can hold water mass = 0.18x1000 = 180kg
A bathtub is a cuboid, about 1.2m in length, 0.5m in width and 0.3m in height. How much water can it hold at most?
The volume of bathtub is about: v = 1.2m × 0.5m × 0.3m = 0.18m3, ∵ ρ = MV, ∵ can hold water at most: M = ρ v = 1 × 103kg / m3 × 0.18m3 = 180kg
RELATED INFORMATIONS
- 1. There are large, medium and small cuboid pools. From the inside, the length is 4 m.3 m, the width is 3 m, the height is 2 m, the height is 1 m, and the height is 0.5 m. put two stones into the small and medium-sized pools. Their water surface rises by 4 cm.11 cm respectively. If these two stones are put into the large pool, how much does the water surface rise
- 2. Volume is 1 cubic meter cuboid wooden box, his floor area must be 1 square meter
- 3. A rectangular wooden box with a bottom area of 3.6 square meters and a height of 1.8 meters. If each cubic meter can hold 5.2 kilograms of wood, then the rectangular wooden box can hold wood What's the first kilogram?
- 4. Dig a 6 m long, 5 m wide and 2 m deep rectangular pool, which covers an area of ① 30 square meters ② 10 square meters ③ 12 square meters
- 5. What's the floor area of a cuboid tank 6m long, 5.5m wide and 2m high?
- 6. A cuboid wooden box is 4cm in length, 3cm in width and 2cm in height. How many square decimeters is the largest and how many square decimeters is the smallest
- 7. A rectangular wooden box is nine tenths of a meter long, two-thirds of a meter wide and one-third of a meter high. How to place this wooden box? What is the minimum floor area?
- 8. Connect four 7-decimeter bamboo poles, the overlapping part of each two is 10 cm long. How long is the bamboo pole after connecting?
- 9. Connect two 27 decimeter long bamboo poles to form a long bamboo pole. If the part tied together is 1 decimeter, the connected bamboo pole will be broken
- 10. A triangle and its parallelogram with the same base and height just form a trapezoid with an area of 60 square centimeters. The area of this triangle is______ Square centimeter. What's the area of a parallelogram______ Square centimeter
- 11. A cuboid wood is 2.5 meters long and its cross section is a square with a side length of 2 decimeters. How many cubic meters is the volume of this wood? A cuboid tin tank The edge length is 6.5 decimeters. How many liters of oil can this oil tank hold? How many sheets of iron do you need
- 12. A cuboid wood, its cross section is a cube with side length of 4 decimeters, wood length of 3 meters, how many cubic meters is its volume
- 13. The side length of a cube is 1 meter. How many cubic meters is its volume? How many cubic meters can you divide it into
- 14. It is known that the side length of a small cube is 0.01 meters. This small cube is placed into a large cube with a volume of 10 cubic meters, and several small cubes are needed
- 15. Trapezoidal volume calculation formula
- 16. If the edge length of a cube increases four times, its surface area will increase______ Double, volume expansion______ Times
- 17. How many times of its surface area and volume?
- 18. How many times is the length, surface area and volume of a cube?
- 19. The edge length of a cube increases by a times, the total edge length increases by () times, the surface area increases by () times, and the volume increases by () times?
- 20. If the edge length of a cube is a, then the surface area and volume of the cube are,