Answer:
[tex]\sf 207 \ cm^2[/tex]
Step-by-step explanation:
diameter = 6 cm
r = 6/2 = 3 cm
h = 8 cm
[tex]\sf \boxed{\text{\bf Surface area of cylinder = $2\pi r(h +r)$}}[/tex]
[tex]\sf = 2*3.14*3 * (3 +8)\\\\ = 2*3.14* 3 * 11\\\\= 207.24\\\\= 207 \ cm^2[/tex]