Question

Determinati lungimea muchiei unui cub care are:
a)suma muchilor de 360 m
b)volunul de 27 m3
c)volumul 1000 m3
d)volumul de 0,125

Answer 1

a) suma muchilor= perimetru=12muchii
muchie=360÷12=30
b) Vcub=l^3=27
l=3
b) Vcub=l^3=1000
l=10
c) Vcub=l^3=0,125
l=0.5