Răspunsuri

2014-05-06T00:37:06+03:00
Apatrat=l²
a)A=1²=1cm²
A=3²=9cm²
A=(0,5)²=0,25cm²

Adreptunghi=L*l
b)A=2*1=2cm²
A=1,5*0,5=0,75cm²