1.Doua,nr,consecutive,care,inmultite,dau,30,sunt,5,si,6
=>P=2x5+2x6=10+12=22cm
2.Doua,nr,consecutive,care,inmultite,dau,600,sunt,24,si,25
diag,la,patrat=24patrat+25patrat
diag,la,patrat=576+625
diag,la,patrat=1201=>diag=radical,din,1201
3.Dreptunghic,pentru,ca,se,verifica,t.Pit.
6patrat+8patrat=10patrat
4.l=20=>Ptriunghi=60cm
Aria,patratului=60cm,patrati
5.Cealalta,cateta,este(t.Pit.)12
Aria=bxh/2=12x5/2=>Aria=30cm,patrati