a²=b²+c²-2*b*c*cosα=116.64+256-81.63072=291.00928
a=17.06
cosβ=(a²+b²-c²)/(2ab)=(291.00928+116.64-256)/368.4743=0.4116
β=65°18'
cosφ=(a²+c²-b²)/2ac=(291.00928+256-116.64)/545.8878=0.7884
φ=37°2'
a²=b²+c²-2*b*c*cosα=116.64+256-81.63072=291.00928
a=17.06
cosβ=(a²+b²-c²)/(2ab)=(291.00928+116.64-256)/368.4743=0.4116
β=65°18'
cosφ=(a²+c²-b²)/2ac=(291.00928+256-116.64)/545.8878=0.7884
φ=37°2'