👤
Sara85
a fost răspuns

Please please please

Please Please Please class=

Răspuns :

Cute12
Notam lungimea cu''L'' si latimea cu ''l''
Perimetrudreptunghi=2l+2L= 836m
l+68m=L
(inlocuim in relatie)
2l+2X(l+68m)=836m
2l+2l+68m+68m=836m
4l+136m=836m
4l= 700m
l=175m
L=243m
l= L-68m<br />P= 2l+2L=> P=2(L-68)+2l=><br />2L-136+2L=836<br />4L-136= 836<br />4L=836+136<br />4L= 973<br />L= 973:4<br />L=243<br />l= 243-68<br />l= 175