Respuesta :

KitKat69
8 and 19, because 2 times the length + 2 times the width = 54 :)
emmam01
Here are the possibilities:
20 cm by 7 cm. (20+20+7+7)
15 cm by 12 cm. (15+15+12+12)
16 cm by 11 cm. (16+16+11+11)
18 cm by 9 cm. (18+18+9+9)
17 cm by 10 cm. (17+17+10+10)

These are just the most likely possibilities.

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