A log is 4 meters long. If the log is cut off by 6 decimeters, the surface area will be reduced by 37.68 square decimeters
Surface area reduced by 37.68 square decimeters = side area of cylinder = 2 π R * 6
R = 1 decimeter = 0.1
Original volume = 0.1x0.1x3.14x4 = 0.1256m3 = 12.56cubic decimeter
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