Question

Narysuj kwadrat o polu 9cm2.Oblicz jego obwód

Answer 1

P = 9 cm^2

 

P = a^2

a = pierwiastek z 9

a = 3 cm

 

 

Obw = 4*a

Obw = 4*3 = 12 cm

 tak o

Answer 2

P = 9 cm^2

 

P = a^2

a = pierwiastek z 9

a = 3 cm

 

 

Obw = 4*a

Obw = 4*3 = 12 cm