What is the surface area of the prism?

A.
204 in2

B.
180 in2

C.
120 in2

D.
192 in2

http://static.k12.com/calms_media/media/1299500_1300000/1299600/1/414f45faedb7eab739c532bcad89beb0a9169582/143842.jpg

Question

What is the surface area of the prism?		
  

 
 A.
204 in2
 
 B.
180 in2
 
 C.
120 in2
 
 D.
192 in2

http://static.k12.com/calms_media/media/1299500_1300000/1299600/1/414f45faedb7eab739c532bcad89beb0a9169582/143842.jpg

anonymous · Answer

@Bookworm14

anonymous · Answer

i think it is a

anonymous · Answer

do you have a formula for surface area of a prism?

anonymous · Answer

yea, and i am pretty sure it is a

anonymous · Answer

what formula are you using?

bookworm14 · Answer

I think it is A, accept that I am not sure where that extra 5 on the is coming from lol

anonymous · Answer

i got A as well
i just did the area seperate
80 + 50 + 50 + 12 + 12

anonymous · Answer

so it would be 
SA=((5+5+8) x 10)+ 2(8 x 3/2)

bookworm14 · Answer

Yep. your correct! (maybe a medal please?) thanksies!! ~Bree

bookworm14 · Answer

gtg sorry

anonymous · Answer

kk, bye

anonymous · Answer

there is ur medal :)