What is the surface area of the cylinder? WILL GIVE BRAINLY 30 POINTS!!
Use π = 3.14 and round to the nearest tenth if needed.
L: 7 mm
D = 12 mm
A) 489.8 mm^2
B) 131.9 mm^2
C) 339.12 mm^2
D) 1168.1 mm^2