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O sala de sport in forma de dreptunhhi are aria egala cu 720√2 m² si lungimea de 24√3 m.
Calculati perimetrul salii de sport.


Răspuns :

A=720√2 m²
L=
24√3 m
A=L*l => 
720√2=24√3*l => l= 720√2 / 24√3 => l= 30√2/√3 => l=30√6/3 => l=10√6
P= 2*10
√6+2*24√3=> P=20√6+48√3