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1 answer:
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Answer: 1.75 cubic feet concrete is needed.
Step-by-step explanation:
Alright, lets get started.
The volume of the pillar is :
We have given the height is 5 feet.
We have given the diameter is 4 inches.
So the radius will be :
Converting inches into feet.
The radius will be :
So the volume of the cylinder will be :
So the volume of the cylinder will be :
As there are 4 pillars, so total volume will be :
So, total volume will be :
Hence 1.75 cubic feet concrete is needed. : Answer
Hope it will help :)