Question

need help

Answer 1

Find the surface area of the cylinder in terms of .





A. 396 in.2


B. 522 in.2


C. 360 in.2


D. 1008 in.2

Answer 2

use this formula
\(SA = base~area + curved ~ area = 2\pi r^2 + 2\pi r h\)

Answer 3

r = 9
h = 20

Answer 4

ok how

Answer 5

A = 2* 3.14* 9^2 + 2*3.14*9*20= ...?

Answer 6

in terms of pi,
A = 2*9^2 +2*9*20