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Find the surface area of the rectangular prism below.

 

 Mar 4, 2021
 #1
avatar+30523 
+1

11 ft must be one side of the prism        there are four sides  added = 11 + 11 + 5 + 5  = 32 ft 

  total side area = 15 x 32 = 480 ft2

The little side flaps are then 5 x 11    * 2  = 110 ft 2  

 

total area =   480 + 110 = 590 ft2

 Mar 4, 2021
 #2
avatar+294 
+1

I think there is not enough information.

calvinbun  Mar 4, 2021

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