Răspuns :
Răspuns:
1. a) α = 65° β = 25°
b) α = 60° β = 30°
c) α = 37,5° β = 52,5°
d) α = 206/3° β = 64/3°
2. a) α = 110° β = 70°
b) α = 120° β = 60°
c) α = 99° β = 81°
d) α = 110° β = 70°
Răspuns:
1. a) α = 65° β = 25°
b) α = 60° β = 30°
c) α = 37,5° β = 52,5°
d) α = 206/3° β = 64/3°
2. a) α = 110° β = 70°
b) α = 120° β = 60°
c) α = 99° β = 81°
d) α = 110° β = 70°