Question

the height and radius of a cylinder are 8.4cm and 7.7cm. find the ratio of TSA and CSA of cylinder
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Answer 1

Step-by-step explanation:

CSA = 2πrh = 2 x 22/7 x 8.4 x7.7 = 406.56

TSA = 2πr(r+h) = 2x22/7 x 7.7 ( 8.4+ 7.7 ) = 779.24