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  • 23-05-2019
  • Mathematics
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how to find the surface area of a rectangular prism with the length of 4.2 , height of 3.9 and width 18.7​

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genos1minatoov3vx4
genos1minatoov3vx4 genos1minatoov3vx4
  • 25-05-2019

Answer: 335.7

Step-by-step explanation: 2(4.2*18.7) + 2(4.2*3.9) + 2( 18.7* 3.9)= 157.08+ 32.76+ 145.86= 335.7

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