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?
r=c÷π÷2
=62.8÷3.14÷2
=10 meters
v=1/3sh
=1/3×3.14×10²×3
=314 M3
At least: 314 × 1.5 △ 8 ≈ 59 times
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