Question

PLEASE HELP ME

Answer 1

@dumbcow @@SyedMohammed98 @shiraz14 @rvc

Answer 2

you have a question?

Answer 3

YES THANK YOU

Answer 4

Find the surface area of the cylinder to the nearest whole number. The height is 14 in and base is 13 in

Answer 5

a. 7,433 b. 2,205 c. 1,144 d. 1,062

Answer 6

use formula for surface area of cylinder---> area of 2 bases + lateral area

\[A = 2 \pi r^2 + 2 \pi r h\]

Answer 7

my calculator on my computer doesnt work

Answer 8

try this online calculator
http://www.wolframalpha.com/

Answer 9

Or just use google, it has a built-in calculator

Answer 10

thanks!

Answer 11

:)

Answer 12

12,821?

Answer 13

@dumbcow

Answer 14

no thats too big, notice its not one of your options either

did you use 13 for radius and 14 for height ?

Answer 15

yeah idk what happened

Answer 16

\[A = 2 \pi (13)^2 + 2 \pi (13) (14)\]

Answer 17

1,306

Answer 18

hmm are you typing exactly that into the calculator?

http://www.wolframalpha.com/input/?i=2%CF%80%2813%29%5E2%2B2%CF%80%2813%29%2814%29

Answer 19

oh so its b!

Answer 20

yeah now i just gave away the answer .... how were you getting those other numbers? do you know what you were doing wrong?

Answer 21

A = 2 pi r h + 2 pi r^2
A = 2 pi * 13 * 14 + 2 pi * 13^2
A = 364 pi + 338 pi
A = 702 pi

Answer 22

i basically copy and pasted what you gave me and put it into the calculator

Answer 23

:|

Answer 24

When you put it in the calculator make sure you separate the two parts. So do..

2 pi * 13 * 14

Then do 2 pi * 13^2

And add them together

Answer 25

ooooh thank you! ive never used online calculators before so i didnt know how to put it in