Question

Se considera cubul abcd a'b'c'd' determinati masurile următoarelor unghiuri:(AA',CD), (AA',CD'), (AD,BC'), (AD',CB'), (AD',DC'), (DC,B'D'),(BD,CD'),(BD,A'C')

Answer 1

a) 90

b) 45

c) 60

d)90

e) 45

f) 90

g) 45

h) 60