Question

Calculati aaria unui drept. Cu semiperim. De 60 cm si latimea un sf din lungime

Answer 1

$P=2p P=2*60cm P=120cm=l+L L=4*l P=120cm=l+4*l P=120cm=5l l=\frac{120cm}{5}=24cm L=4*l=4*24cm=96cm A=L*l=24cm*96cm A=2304cm^2$