Question

Va rooog !!E urgent !! Imi trebuie tot ...

Answer 1

1)a) Ad=π r² , r = 1,2m:2=0.6m

Ad=0.36*3.14=1.1304m²

b)S=1.2*2.4*-2*1.1304=2.88-2.2608=0.6192m²

c)0.6192<0.72

2)a)V=L*l*h=6*5*4=120m³

b)ρ=m/v, v=m/ρ=36/1200=0.03m³

c)120:0.03=4000saci