Răspunsuri

2014-06-06T09:35:53+03:00
P patrat=4xl
P patrat=4x5.25
P patrat=21 m

A patrat=lxl
A patrat=5.25x5.25
A patrat=27.5625 m patrati
2014-06-06T09:36:36+03:00
Cred ca ai vrut sa scri "un patrat"
perimetrul=4 x latura
             =4x 5,25
           =21 cm
aria=5,25 x 5,25
aria=27,66 cm²