Afla perimetru patratului cu aria
18m^2
48m^2
![Afla Perimetru Patratului Cu Aria 18m2 48m2 class=](https://ro-static.z-dn.net/files/d72/61d7cecf32ce324d76e16f8720305116.png)
P=4×l
A=l²
a) A = 18 m²
l² = 18
l =√18 = 3√2 m
P = 4 × 3√2 = 12√2 m
b) A = 48 m²
l² = 48
l = √48 = 4√3 m
P = 4×4√3 = 16√3 m
A=l^2 = 18 m^2 mp
l=rad18=3rad2 m
P=4l=12rad2 m
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A=l^2=48=16x3 mp
l=rad(16x3)=4rad3 m
P=4l=16rad3 m