Question

Afla perimetru patratului cu aria
18m^2
48m^2

Answer 1

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

Answer 2

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