Question

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Answer 1

Answer:

Answer

formula of surface area of cylinder=2πrh+2πr^2

=2·π·2·4+2·π·22≈75.39822

Step-by-step explanation:

Answer 2

Answer:

okay let's see

formula for TSA of cylinder is

$2\pi \: r(r + h)$

where in your question r is 2 which radius of cylinder

putting so in formula

2×22/7(2+4)

44/7(6)

44×6/7

264/7

37.71 cm² will be your answer.

hope u will find it helpfull.