5c va rog E URGENT!!!!!!
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Răspuns:
3y-2x=24
9y=16x
-9y+6x=-72
9y-16x=0
rezulta -10x=-72 rezulta x = 7.2
y=16*7.2/9=12.8
a=x+y = 7.2+12.8 = 20
h^2=x*y rezulta h = radical x*y=9.6
c=radical x^2+h^2=12
b=radical y^2+h^2=16
Explicație pas cu pas: