What is the surface area of the prism?

A.
1080 in2

B.
1296 in2

C.
1188 in2

D.
1116 in2

http://static.k12.com/calms_media/media/1299000_1299500/1299410/1/2d00213285e1e1255363e279c4c40b7f6d63186e/143843.jpg

Question

What is the surface area of the prism?		
  

 
 A.
1080 in2
 
 B.
1296 in2
 
 C.
1188 in2
 
 D.
1116 in2


http://static.k12.com/calms_media/media/1299000_1299500/1299410/1/2d00213285e1e1255363e279c4c40b7f6d63186e/143843.jpg

anonymous · Answer

@Nayef

nayef · Answer

SA=24*20+2*(0.5*9*24)+2*(15*20)

nayef · Answer

Can you calculate it?

anonymous · Answer

yes

anonymous · Answer

i got b @Nayef

nayef · Answer

I was busy sorry, yes it is "b".

nayef · Answer

I hope you have understood how I get it!

nayef · Answer

I just add the the areas of of outer surfaces of thr prism.