Question

Aflati aria unui patrat cu latura de a) 10 cm. b) 0,3 dm c) 1 pe 2 cm

Answer 1

a) A=a^2=10^2=100cm^2
b)0.3 dm=3 cm A=a^2=3^2=9cm^2
c)1/2 cm A=a^2=(1/2)^2 cm=1/4 cm^2 =0.25cm^2

Answer 2

A=10^2(10 la 2)=100 cm2(cm patrati)
A=0,3^2(0,3 la 2)=0.09 dm2
A=1/2^2=1/4=0,25 cm2