Question

PLEASE HELP

A cylinder has a radius of 2 cm and a height of 5 cm. The surface area of the cylinder is _____ cm².

20
28
40
48

Answer 1

The lateral area of a cylinder is the area of a rectangle whose dimensions are the height of the cylinder and the circumference of the base. The area of the bases is the sum of the areas of two circles with the radius of the base of the cylinder.
A = 2(pi)rh + 2(pi)r^2
A = 2(3.14)(2)(5) + 2(3.14)(2^2) = ?
You find the ?
This looks like a test question I just had btw.

Answer 2

87.92

Answer 3

good :D

Answer 4

thats not an option:(

Answer 5

what are the options

Answer 6

20 pie
28 pie
40 pie
48 pie

Answer 7

i think it's 28

Answer 8

ok to get it divide 87.92 by pi

Answer 9

i was right!!!!!!!!!!!

Answer 10

its 28

Answer 11

20 x 3.14

Answer 12

28****

Answer 13

yeah its \[28*\pi \]