Question

the pillars of a temple are cylindrical shaped. if each pillar has a circular base of radius 25 cm and height 10.5 m, then find the quantity of concrete mixture used to build 30 such pillars..also find the cost of concrete mixture at the rate of rupees 250 per cm^3.

Answer 1

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volume of cylinder is 1/3 pi r2 h

given radious is 20/100m and height is 10m

then volume of one pillar is (1/3)*(22/7)*(4/100)*10

=88/70

volume of 14 such cylinders is 14*(88/70)=19.6m3

19.6 cubic metre=19600 litres of concrete is required

Answer 2

hope it will help and if yes plz mark it brainliest