Пусть ∠BOK = x, тогда ∠KOC = x + 48°.
∠BOC = ∠BOK + ∠KOC.
160° = x + x + 48°.
2x = 160° - 48° = 112°.
x = 112°/2 = 56°.
∠BOK = 56°.
∠KOC = 56° + 48° = 104°.
∠BOK = 56°; ∠KOC = 104°