Let us wirte by calculating how many cubic decimetre of concrete materials will be necessary to
construct two cylindrical pillars each of whose diameter is 5.6 decimetre and height is 25
metre.
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Answer:
Height of a cylindrical pillar = 2.5 m. = 2.5*10 dcm. = 25 dcm. Answer :- 1232 cubic decimetre of concrete materials will be used to construct 2 cylindrical pillars.
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