The cone-shaped paddy pile has a circumference of 12.56 meters and a height of 1.5 meters. It is known that each cubic meter of paddy weighs 0.75 tons. How many tons does this pile weigh? (the number obtained keeps the whole number)

The cone-shaped paddy pile has a circumference of 12.56 meters and a height of 1.5 meters. It is known that each cubic meter of paddy weighs 0.75 tons. How many tons does this pile weigh? (the number obtained keeps the whole number)

The volume of sand pile: 13 × 3.14 × (12.56 ﹣ 3.14 ﹣ 2) 2 × 1.5, = 13 × 3.14 × 22 × 1.5, = 3.14 × 4 × 0.5, = 6.28 (cubic meter), the weight of sand pile: 6.28 × 0.75 = 4.71 ≈ 5 (ton); a: the weight of this pile of rice is about 5 tons

A cone-shaped rice pile has a circumference of 12.56 meters at the bottom and a height of 1.8 meters
The circumference of the bottom of a cone-shaped rice pile is 12.56 meters, and the height is 1.8 meters. If the weight of each cubic meter of rice is 1000 kg, how many kg of this pile of rice can be kept as a whole number of 100 kg. If the rice yield is 65%, how many kg of this pile of rice can be milled?

What is the radius of the bottom
12.56 ﹣ 3.14 ﹣ 2 = 2 (m)
The volume is
2 × 2 × 3.14 × 1.8 × 1 / 3 = 7.536 (M3)
The pile of rice is heavy
1020 × 7.536 = 7686.72 (kg)
This pile of rice can produce rice
7686.72 × 65% = 4996.368 (kg)
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Is there a cone-shaped corn pile? The perimeter of the bottom is 6.28 meters, 2 meters. To put these corn into a cylindrical grain bin, the perimeter of the bottom of the grain bin is
3.14, 8 meters, can you fit it?

Conic radius = 6.28 △ 2 △ 3.14 = 1 m high = 1.2 m corn volume = conic volume = 1 / 3 × 3.14 × 1 & # 178; × 1.2 = 1.256 m3 cylinder radius = 3.14 △ 2 △ 3.14 = 0.5 m high = 1.8 m cylinder volume = 3.14 × 0.5 & # 178; × 1.8 = 1.413 m3 because: 1.256 m3 < 1.413 m3