Answer:
42 pi
Explanation:
The area of the base is the area of a circle
A = pi r^2
A = pi (3)^2 = 9pi in^2
The circumference is
C = 2*pi*r
C = 2*pi*3 = 6pi
The lateral surface area is
lsa = C * h = 6pi *4 = 24 pi
SA = 2 bases + lsa
2 * 9pi + 24 pi
18pi+24 pi
42 pi