Question

A cylindrical well is 20 meters deep and has a diameter of 1.5 meters. Approximately how many cubic meters of soil were dug out to make the well? (Use π = 3.14.)
11.78 cubic meters
35.33 cubic meters
121.20 cubic meters
141.30 cubic meters

Answer 1

V = πr2h

V = 3.14 x 0.75 x 0.75 x 20

V = 35.33 cubic meters

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