why do we take area of rod as (Pi*d2/4) why not (Pi*l*r2). sir is it the cross-sectional area??
giridhar , 10 Years ago
Grade 12th pass
Discuss with Askiitians Tutors> why do we take area of rod as (Pi*d2/4) w...
1 Answers
Sourabh Singh
Last Activity: 10 Years ago
Hii
As you know area of circular cross section is 
and r = d/2 hence it will be (Pi*d2/4) and the other part is not clearly understandable. So re post the question and we will get back to you.
Thanks
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