Диагонали прямоугольника ABCD пересекаются п точке О, ∠AOD = 50% ВК — биссектриса угла ABC. Найдите угол DBK

1. Jane and Kate are going to visit the Tower of London, aren't they?
2. We aren't going to eat it, are we?
3. Jack isn't writing a letter, is he?
4. He can help you with your test, can't he?
5. Cats can't fly, can they?

1. Jane and Kate are going to visit the Tower of London, aren't they?
2. We aren't going to eat it,  are we?
3. Jack isn't writing a letter, is he?
4. He can help you with your test, can't he?
5. Cats can't fly,can they?