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Sergeeva-Olga [200]
2 years ago
6

I need help with this please

Mathematics
1 answer:
Alex2 years ago
3 0

Answer:

650 cm²

Step-by-step explanation:

Use the formula 2(lw+wh+lh)

Plug in the stuff: 2(5*9+9*20+5*20)=2(45+180+100)=2(325)=650 cm²

And there you go!

Please mark brainliest!

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