If a cylinder of radius 7cm and height 15cm is recasted into new cylinder of r- 4cm what will be its height

2
by Yyashuu

2016-03-11T12:09:22+05:30

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TSA of new cylinder will be 968 cm 2.
Take the formula of tsa and put r=4 cm and find the height. It will be 34.5 cm
81.6
is it correct?
idk yet
OK
2016-03-11T12:51:50+05:30

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
TSA of new cylinder will be 968 cm 2. Take the formula of tsa and put r=4 cm and find the height. It will be 34.5 cm
since the cylinder is recasted..then obviously it is first melted and recasted into a new cylinder..so the volume of cylinder will be equal to the volume of the new cylinder
m i ryt ???
i dont think so !
but TSA will also be the same
no dear..ideally u need to take d volume..