86.4k views
4 votes
Help need please and explain!!

Help need please and explain!!-example-1

1 Answer

4 votes
The formula for surface area of a rectangular prism is
2(lw + wh + lh).

length : 12
width : 8
height : 4

2(12*8 + 8*4 + 12*4)
2(96 + 32 + 48)
2(176)
352.

The surface area of the rectangular prism is 352 in².
User Mattanja
by
8.3k points