Q. A metal disk 16 cm in diameter and 3cm thick is melted and casted into a cylindrical bar of diameter 4 cm. Find the length of the bar.
Hey friends please do answer. Please give the correct answer. i saw the answer at the back of the book it's 48cm. if u give this answer i will surely mark your answer as brainliest and don't give any silly answers.
Answers
Answered by
5
volume of melted disk πr²h
22/7×8²×3=603.42
it change into cylinder of diameter 4cm.
volume of cylinder is πr²h
603.42=22/7×2²×h
603.42=12.57×h
h=603.42/12.57
h=48
22/7×8²×3=603.42
it change into cylinder of diameter 4cm.
volume of cylinder is πr²h
603.42=22/7×2²×h
603.42=12.57×h
h=603.42/12.57
h=48
Manujee:
what's your zodiac sign
You are violating the rules. I am saying it one more time, u should not chat in comment section.
ok we will not talk is that ok with u now
I am saying that u can chat in inbox not here. That's it.
May i know why u reported my answer @Manujee.
umm sorry i tapped on the button by mistake
I'm literally very sorry
Thank you very much for your response.
r u angry at me
if u r so please try to forgive me....u can answer the question again ok
Similar questions