Answer:
[tex]\tt SA=3541.92\: cm^2[/tex]
Step-by-step explanation:
[tex]\tt SA=2\times 3.14\times 12(35+12)[/tex]
[tex]\tt 2\times \:12\times \:47\times \:3.14[/tex]
[tex]\tt 3541.92[/tex]
~
