Solution for round column - eFree 홈페이지에 오신것을 환영합니다.



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Equation

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The following is the equation to calculate the area of circular column.
The area by unit  (㎡, ㎥) will be shown if you input diameter and length in mm.

 

Equation
diameter X 0.5 X 2.3 X 3.14 X length ÷ 1,000,000 = ㎡
[diameter X 0.5] X [diameter X 0.5] X 3.14 X length ÷ 1,00,000,000 = ㎡

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