Question

plz help me with this problem:

http://static.k12.com/calms_media/media/1422500_1423000/1422986/1/eb26326413d470f9b270c9cc0b80857a2bbb3149/MS_PA_131002_171345.jpg


What is the surface area of the prism?



A.
164 yd2

B.
204 yd2

C.
240 yd2

D.
300 yd2

Answer 1

can you help me??

Answer 2

I've been stuck on this problem, and if you can tell me what to do that would be awesome too

Answer 3

its 5*8*12=480/2=240

Answer 4

it is c

Answer 5

oh i tried that the first time, but i thought i was doing it wrong

Answer 6

lol

Answer 7

Thxs!!!!! :)

Answer 8

can you help me on one more?

Answer 9

SURE

Answer 10

A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

A.
1200π ft2

B.
1260π ft2

C.
1800π ft2

D.
2940π ft2

Answer 11

I'm really bad at math, so ya....

Answer 12

A=2πrh+2πr2=2·π·30·19+2·π·302≈9236.2824ft²
more or less

Answer 13

so it's d.???

Answer 14

no wait let me try to look it up online

Answer 15

okay... but be careful because sometimes they can get it wrong.

Answer 16

okay i did the math myself and i got 2940 pie

Answer 17

i was getting that and also getting c so just try your best

Answer 18

got to go

Answer 19

well it would be d. because you have to do 1800 pie + 1140 pie = 2940 pie

Answer 20

at least that's what i think