abcd is a rectangle. If measure angle bac=30 find the measure of angle dbc

Answer 1

its not that hard pls answer

Answer 2

Ummh 60° ??

Did you not make a diagram?
The answer would have been obvious.

Answer 3

yupp i do know that answer is 60 but i need to write down .. with explanation properly

Answer 4

got the explanation xD

Answer 5

Ask yourself
"how did I know it was 60° ? " and that becomes your explanation .