plz give the right answer plz otherwise I will report ur answer
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Given: r=1m h=7m no. of pillars=7
sol.: Volume of one cylindrical pillar= πr^2h
= 3.14 × 1 × 7
= 21.98m3
therefore concrete used for 7 pillars = 7× 21.98
=153.86
~ 154m3
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