Question

Exercitiul 1 si 2 cat mai repede va rog!

Answer 1

1. a) ABCD piramida triunghiulara regulata
BCD baza
BAC, CAD, BAD fetele laterale
AB, AC, AD muchii
b) ABCD piramida patrulatera regulata
ABCD baza
SAD, SCD, SCB, SAB fete
SA, SD, SB, SC muchii
c) ABCDEF baza
ABCDEF piramida hexagonală regulata
VAF, VFE, VED, VCD, VBC, VAB fete laterale
VA, VF, VE, VD, VC, VB muchii

2. a) 6 • 8 = 48cm
b) A ABCD = l^2 rad 3 supra 4
A ABCD = 8 rad 3 supra 4
Simplifici 8 cu 4 =>
A ABCD = 2 rad 3cm