Question

Determinati aria unui patrat cu perimetrul egal cu 14 cm

Answer 1

P=14cm
l=14cm:4
l=3,5cm
A=3,5²⇒12,25cm

~Sper ca te-am ajutat!~

Answer 2

[tex] P_{ABCD} =14 \\ A_{ABCD} =? \\ \left \{ {{l=14:2} \atop {l=3,5}} }=\ \textgreater \ A_{ABCD} =l*l \\ =\ \textgreater \ 3,5*3,5=12,25 [/tex]