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O piramida triunghiulara regulata are l=18 si inaltimea de 6 cm.Aflati:
a) Ab
b) V
c) Al
d) At


Răspuns :

a)Ab=[tex] \frac{l²√3}{4} [/tex]=324/4*√3=81*√3
b)V=
[tex] \frac{h*Ab}{3} [/tex]=81*√3*6/3=162*√3
c)Al=
[tex] \frac{3*l²*√3}{4} [/tex]=243*√3
d)At=
l²√3=324*√3
Piramida triunghiulara regulata ........
Vezi imaginea ALITTA