Răspuns :
(250+200)*2=450*2=900(m)-perimetrul
900-(4*2)=900-8=892(m)-are gardul
900-(4*2)=900-8=892(m)-are gardul
[tex]P=2*(L+l)=2*(250m+200m)=2*450m=900m[/tex]
[tex]900m-(2*4m)=900m-8m=892m[/tex]
[tex]900m-(2*4m)=900m-8m=892m[/tex]