Chemistry, 29.03.2021 08:30 lissa34

11. The four cylindrical steps are placed in a stream to enable crossing. The radius of each step is
21 cm, and the heights are each 1 metre. Calculate the volume of sand, gravel and cement
22
used to lay all four steps. Use π=22
7

Answers: 1

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11. The four cylindrical steps are placed in a stream to enable crossing. The radius of each step i...