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Koma · Answer 1 · 2022-03-17T17:12:47+0000

Answer:

326.56 sq in

Explanation:

SA=2*3.14*4^2+2*3.14*4*9

SA= 100.48+ 226.08

SA= 326.56

Plug numbers in equation and then solve equation. R=4 and h=9.