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Calculati aria unui dreptunghi ce are dimensiunile:
A)L=0,5 dam,l =3,2m
B)L=10,1cm,l =50 mm
C)L 35 dm,l =200 cm
D)L 2,7 dam, l =210 m


Răspuns :

Răspuns:

a L×l = 5×3,2=16cm

b50,5cm

c 700dm

27×210=5670m

[tex]\it L=0,5dam=5m,\ \ \ \ \ell = 3,2m\\ \\ \mathcal{A}=L\cdot \ell=5\cdot3,2=16m^2[/tex]