friends please solve this question as soon as possible ( I WILL REPORT THE IRRELEVANT ANSWERS SO DON'T GIVE IRRELEVENT ANSWERS ) IT'S URGENT PLEASE SOLVE IT
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Answers are given in this image.
The main thing is that height of package = 2r(See the figure carefully)
Step-by-step explanation:
Put the value of r if it is same as given in ques.no.3.
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