Question

Fie VABCD o piramida patrulatera cu toate muchiile congruente si ABCD patrat. Determinati :
a) m(ungh. AB,VB)
b) m(ungh. CD,AC)
c) m(ungh. VB,VD)
d) m(ungh. AC,CD)

Answer 1

a) m(ungh.AB ,VB ) =60 ° (trigh VAB -echilateral ) b) m(ungh.CD,AC) =45° c) m(ungh.Vb ,VD )=60 ° d) m(ungh.Ac ,Cd )=45°