Math

I need help on this problem. I've been stuck on it for 4 days now.


Use a net to find the surface area of the prism.

2,296 m2

1,148 m2

757 m2

1,232 m2

the numbers are 25m, 7m, 19m, 7m, 24m

I've tried 24x25x7 25x7x5 24x7x5 19x5x25 19x7x24 and other combinations, but I get none of the answers above. I end up being behind a couple hundreds or going over a couple hundreds and I'm stressing out.

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asked by Mae
  1. those numbers are all volumes. You need to find pairs of numbers. The sum of their products is the area.

    Better yet, study the net to see which vertices of the prism are represented; then use what you know about prisms to get the area.

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    posted by Steve

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