Răspunsuri

2014-04-02T16:45:46+03:00
Aria=L*l=> l=L/2
=> L*L/2=L^2/2=112,5 => L patrat=225=> L=15 => l=7,5
3 2 3
2014-04-02T18:20:28+03:00
A dreptunghi=112,5=l*L,l=L/2=>L=15cm,l=15/2=7,5cm unde l-latimea dreptunghiului,L-lungimea dreptunghiului