courtj17
courtj17 courtj17
  • 13-07-2016
  • Mathematics
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Find the surface area of the prism.

ft^2

Find the surface area of the prism ft2 class=

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apologiabiology
apologiabiology apologiabiology
  • 13-07-2016
3 rectangles,  2 triangles

the rectangels canbe unfolded to 1 big rectangle with width17+15+6=38 and height 5
area=38*5=190

triangles, 2 of them
height=6
base=15
area=2*1/2*6*12=72

add to find total
190+72=262

SA=262ft^2
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