Respuesta :
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.
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.