Respuesta :

c5h11no2
A rectangle has 4 sides, so two sides would be equal to 12-m and 2 sides would be equal to 5-m.

All you have to do is add up the sides:

12 + 12 + 5 + 5 = 34-m
meghancurtis
34m , just add 12+5+12+5 which =34

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