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Ajutati-ma va rog!HELP!

Ajutatima Va RogHELP class=

Răspuns :

Fie a,b,c,d-lungimile laturilor patrulaterului

P=92cm

a+b+c+d=92cm

a/3=b/5=c/6=d/9=k

a=3k

b=5k

c=6k

d=9k

3k+5k+6k+9k=92cm

23k=92cm

k=4cm

a=3×4cm

a=12cm

b=5×4cm

b=20cm

c=6×4cm

c=24cm

d=9×4cm

d=36cm