Question

Aflati P patratului si A patratului cu latura: 3cm, 5cm, 0,6cm, 1,2dm, 7,8mm​

Answer 1

3cm:

P=4•3=12 cm

A=3^2=9 cm^2

5cm:

P=4•5=20cm

A=5^2=25 cm^2

0,6cm:

P=4•0,6=2,4 cm

A=0,6^2=0,36 cm^2

1,2dm:

1,2dm=12 cm

P=4•12=48 cm

A=12^2=144 cm^2

7,8mm:

7,8mm=0,78cm

P=4•0,78=3,12 cm

A=0,78^2=0,6084 cm^2