Answers

2016-01-03T12:50:46+05:30
Tsa = 2πr(r+h)=4620
tsa = 2πr^2+2πrh=4620
2*115.5+2πrh=4620
231+2πrh=4620
2πrh = 4620-231
2πr*7=4389
2πr=4620/7=627
r=627*7/44
r=99.75cm
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